<?xml version="1.0" encoding="US-ASCII"?>
<!-- EDGAR Online I-Metrix Xcelerate Taxonomy Presentation Linkbase, based on XBRL 2.1  http://www.edgar-online.com/ -->
<!-- Version: 6.20.1 -->
<!-- Round: 503fb4de-7d22-4d50-b310-f851b197bc47 -->
<!-- Creation date: 2012-11-06T02:27:33Z -->
<!-- Copyright (c) 2005-2011 EDGAR Online, Inc. All Rights Reserved. -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DocumentDocumentandEntityInformation" roleURI="http://www.infi.com/taxonomy/role/DocumentDocumentandEntityInformation"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_StatementOfFinancialPositionClassified" roleURI="http://www.infi.com/taxonomy/role/StatementOfFinancialPositionClassified"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_StatementOfFinancialPositionClassifiedParen" roleURI="http://www.infi.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_StatementOfIncomeAlternative" roleURI="http://www.infi.com/taxonomy/role/StatementOfIncomeAlternative"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_StatementOfCashFlowsIndirect" roleURI="http://www.infi.com/taxonomy/role/StatementOfCashFlowsIndirect"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureSignificantAccountingPoliciesAdditionalInformation" roleURI="http://www.infi.com/taxonomy/role/DisclosureSignificantAccountingPoliciesAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureTotalPotentialGrossCommonEquivalentShares" roleURI="http://www.infi.com/taxonomy/role/DisclosureTotalPotentialGrossCommonEquivalentShares"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureBasicAndDilutedEarningsLossPerCommonShare" roleURI="http://www.infi.com/taxonomy/role/DisclosureBasicAndDilutedEarningsLossPerCommonShare"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosurePropertyAndEquipmentDepreciatedPeriods" roleURI="http://www.infi.com/taxonomy/role/DisclosurePropertyAndEquipmentDepreciatedPeriods"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureStockBasedCompensationExpenseRelatedToAllEquityAwards" roleURI="http://www.infi.com/taxonomy/role/DisclosureStockBasedCompensationExpenseRelatedToAllEquityAwards"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureStockBasedCompensationAdditionalInformation" roleURI="http://www.infi.com/taxonomy/role/DisclosureStockBasedCompensationAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureBlackScholesValuationModelWeightedAverageAssumptions" roleURI="http://www.infi.com/taxonomy/role/DisclosureBlackScholesValuationModelWeightedAverageAssumptions"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureSummaryOfCashCashEquivalentsAndAvailableforsaleSecurities" roleURI="http://www.infi.com/taxonomy/role/DisclosureSummaryOfCashCashEquivalentsAndAvailableforsaleSecurities"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureCashCashEquivalentsAndAvailableforSaleSecuritiesAdditionalInformation" roleURI="http://www.infi.com/taxonomy/role/DisclosureCashCashEquivalentsAndAvailableforSaleSecuritiesAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureAssetsCarriedAtFairValueMeasuredOnRecurringBasis" roleURI="http://www.infi.com/taxonomy/role/DisclosureAssetsCarriedAtFairValueMeasuredOnRecurringBasis"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureFairValueAdditionalInformation" roleURI="http://www.infi.com/taxonomy/role/DisclosureFairValueAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureCollaborationsAdditionalInformation" roleURI="http://www.infi.com/taxonomy/role/DisclosureCollaborationsAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureAccruedExpenses" roleURI="http://www.infi.com/taxonomy/role/DisclosureAccruedExpenses"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureCommonStockOfferingAdditionalInformation" roleURI="http://www.infi.com/taxonomy/role/DisclosureCommonStockOfferingAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureIncomeFromMassachusettsTaxIncentiveAwardAdditionalInformation" roleURI="http://www.infi.com/taxonomy/role/DisclosureIncomeFromMassachusettsTaxIncentiveAwardAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureRestructuringActivitiesAdditionalInformation" roleURI="http://www.infi.com/taxonomy/role/DisclosureRestructuringActivitiesAdditionalInformation"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#DisclosureRestructuringActivities" roleURI="http://www.infi.com/taxonomy/role/DisclosureRestructuringActivities"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsOrganizationDisclosureTextBlock" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsOrganizationDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsSignificantAccountingPoliciesTextBlock" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockPolicies" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockPolicies"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockTables" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlockTables" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsCashCashEquivalentsAndMarketableSecuritiesTextBlock" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsCashCashEquivalentsAndMarketableSecuritiesTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsCashCashEquivalentsAndMarketableSecuritiesTextBlockTables" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsCashCashEquivalentsAndMarketableSecuritiesTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsFairValueDisclosuresTextBlock" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsFairValueDisclosuresTextBlockTables" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsCollaborativeArrangementDisclosureTextBlock" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsCollaborativeArrangementDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsAccruedLiabilitiesDisclosureTextBlock" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsAccruedLiabilitiesDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsAccruedLiabilitiesDisclosureTextBlockTables" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsAccruedLiabilitiesDisclosureTextBlockTables"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsCommonStockOfferingsDisclosureTextBlock" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsCommonStockOfferingsDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsIncomeFromTaxIncentiveAwardDisclosureTextBlock" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsIncomeFromTaxIncentiveAwardDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsRestructuringAndRelatedActivitiesDisclosureTextBlock" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsRestructuringAndRelatedActivitiesDisclosureTextBlock"/>
  <roleRef xlink:type="simple" xlink:href="infi-20120930.xsd#Role_NotesToFinancialStatementsRestructuringAndRelatedActivitiesDisclosureTextBlockTables" roleURI="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsRestructuringAndRelatedActivitiesDisclosureTextBlockTables"/>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DocumentDocumentandEntityInformation">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DocumentDocumentandEntityInformationAbstract" xlink:label="infi_DocumentDocumentandEntityInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentInformationLineItems" xlink:label="dei_DocumentInformationLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntitiesTable" xlink:label="dei_EntitiesTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DocumentDocumentandEntityInformationAbstract" xlink:to="dei_EntitiesTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentType" order="1.0100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_AmendmentFlag" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentPeriodEndDate" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentFiscalYearFocus" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentFiscalPeriodFocus" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_TradingSymbol" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityRegistrantName" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCentralIndexKey" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_CurrentFiscalYearEndDate" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityFilerCategory" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_EntityCommonStockSharesOutstanding" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntitiesTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_EntitiesTable" xlink:to="dei_DocumentInformationLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/StatementOfFinancialPositionClassified">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="us-gaap_DeferredRevenueCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:label="us-gaap_DeferredRevenueNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DueFromRelatedPartiesCurrent" xlink:label="us-gaap_DueFromRelatedPartiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DueToRelatedPartiesNoncurrent" xlink:label="us-gaap_DueToRelatedPartiesNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsNoncurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_DueFromRelatedPartiesCurrent" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsCurrent" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_OtherAssetsNoncurrent" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_Assets" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_AccountsPayableCurrent" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_AccruedLiabilitiesCurrent" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_DeferredRevenueCurrent" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesCurrent" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_DueToRelatedPartiesNoncurrent" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_DeferredRevenueNoncurrent" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_OtherLiabilitiesNoncurrent" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_Liabilities" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_CommitmentsAndContingencies" order="1.2600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_AssetsAbstract" order="1.2900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract" order="1.3000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_PreferredStockValue" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_CommonStockValue" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_AdditionalPaidInCapitalCommonStock" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquity" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockSharesAuthorized" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockSharesIssued" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PreferredStockSharesOutstanding" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockSharesAuthorized" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockSharesIssued" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CommonStockSharesOutstanding" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/StatementOfIncomeAlternative">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CollaborativeResearchAndDevelopmentRevenue" xlink:label="infi_CollaborativeResearchAndDevelopmentRevenue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_GainOnTerminationOfAllianceWithRelatedParty" xlink:label="infi_GainOnTerminationOfAllianceWithRelatedParty"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_IncomeFromTaxIncentiveAward" xlink:label="infi_IncomeFromTaxIncentiveAward"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_WeightedAverageNumberBasicAndDilutedSharesOutstandingAbstract" xlink:label="infi_WeightedAverageNumberBasicAndDilutedSharesOutstandingAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareBasic" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareDiluted" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_ResearchAndDevelopmentExpense" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_GeneralAndAdministrativeExpense" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpenses" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_InterestExpense" order="1.0300" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="infi_IncomeFromTaxIncentiveAward" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_InvestmentIncomeInterest" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_NonoperatingIncomeExpense" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="infi_CollaborativeResearchAndDevelopmentRevenue" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingExpensesAbstract" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="infi_GainOnTerminationOfAllianceWithRelatedParty" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingIncomeLoss" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherNonoperatingIncomeExpenseAbstract" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetIncomeLoss" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerShareAbstract" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="infi_WeightedAverageNumberBasicAndDilutedSharesOutstandingAbstract" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_WeightedAverageNumberBasicAndDilutedSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_WeightedAverageNumberBasicAndDilutedSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/StatementOfCashFlowsIndirect">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AmortizationOfLoanCommitmentAsset" xlink:label="infi_AmortizationOfLoanCommitmentAsset"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_2"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities" xlink:label="infi_IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_IncreaseDecreaseInDeferredRevenueFromRelatedParty" xlink:label="infi_IncreaseDecreaseInDeferredRevenueFromRelatedParty"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInUnbilledReceivables" xlink:label="us-gaap_IncreaseDecreaseInUnbilledReceivables"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_IssuanceOfCommonStockToExtinguishDebtFromRelatedParty" xlink:label="infi_IssuanceOfCommonStockToExtinguishDebtFromRelatedParty"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_NoncashInterestExpenseOnLongTermDebtDueToRelatedParty" xlink:label="infi_NoncashInterestExpenseOnLongTermDebtDueToRelatedParty"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="us-gaap_OtherNoncashIncomeExpense"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ProceedsFromIssuanceOfCommonStockToRelatedParty" xlink:label="infi_ProceedsFromIssuanceOfCommonStockToRelatedParty"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans" xlink:label="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:label="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_Depreciation" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_ShareBasedCompensation" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" order="1.0400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AssetImpairmentCharges" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="infi_NoncashInterestExpenseOnLongTermDebtDueToRelatedParty" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="infi_AmortizationOfLoanCommitmentAsset" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_OtherNoncashIncomeExpense" order="1.0800" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="infi_IssuanceOfCommonStockToExtinguishDebtFromRelatedParty" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInUnbilledReceivables" order="1.1500" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" order="1.1600" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="infi_IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="infi_IncreaseDecreaseInDeferredRevenueFromRelatedParty" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="infi_ProceedsFromIssuanceOfCommonStockToRelatedParty" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" order="1.2200" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" order="1.1000" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt" order="1.1100" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetIncomeLoss" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" order="1.2600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" order="1.2900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" order="1.3000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" order="1.3100" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="1.3200" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_2" order="1.3300" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" order="1.3400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureSignificantAccountingPoliciesAdditionalInformation">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureSignificantAccountingPoliciesAdditionalInformationAbstract" xlink:label="infi_DisclosureSignificantAccountingPoliciesAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="us-gaap_NumberOfOperatingSegments"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_SignificantAccountingPoliciesLineItems" xlink:label="infi_SignificantAccountingPoliciesLineItems"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_SignificantAccountingPoliciesTable" xlink:label="infi_SignificantAccountingPoliciesTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureSignificantAccountingPoliciesAdditionalInformationAbstract" xlink:to="infi_SignificantAccountingPoliciesTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_SignificantAccountingPoliciesLineItems" xlink:to="us-gaap_NumberOfOperatingSegments" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_SignificantAccountingPoliciesTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_SignificantAccountingPoliciesTable" xlink:to="infi_SignificantAccountingPoliciesLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureTotalPotentialGrossCommonEquivalentShares">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureTotalPotentialGrossCommonEquivalentSharesAbstract" xlink:label="infi_DisclosureTotalPotentialGrossCommonEquivalentSharesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockOptionsMember" xlink:label="us-gaap_StockOptionsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WarrantMember" xlink:label="us-gaap_WarrantMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:to="us-gaap_AntidilutiveSecuritiesNameDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AntidilutiveSecuritiesNameDomain" xlink:to="us-gaap_StockOptionsMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AntidilutiveSecuritiesNameDomain" xlink:to="us-gaap_WarrantMember" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureTotalPotentialGrossCommonEquivalentSharesAbstract" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureBasicAndDilutedEarningsLossPerCommonShare">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureBasicAndDilutedEarningsLossPerCommonShareAbstract" xlink:label="infi_DisclosureBasicAndDilutedEarningsLossPerCommonShareAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="us-gaap_EarningsPerShareBasicAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="us-gaap_EarningsPerShareDilutedAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" xlink:label="infi_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" xlink:label="infi_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureBasicAndDilutedEarningsLossPerCommonShareAbstract" xlink:to="infi_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_NetIncomeLoss" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_EarningsPerShareBasic" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="us-gaap_NetIncomeLoss" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="us-gaap_EarningsPerShareDiluted" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" xlink:to="us-gaap_EarningsPerShareBasicAbstract" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" xlink:to="us-gaap_EarningsPerShareDilutedAbstract" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassTable" xlink:to="infi_ScheduleOfEarningsPerShareBasicAndDilutedByCommonClassLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosurePropertyAndEquipmentDepreciatedPeriods">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ComputerEquipmentAndSoftwareMember" xlink:label="infi_ComputerEquipmentAndSoftwareMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosurePropertyAndEquipmentDepreciatedPeriodsAbstract" xlink:label="infi_DisclosurePropertyAndEquipmentDepreciatedPeriodsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="us-gaap_FurnitureAndFixturesMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_LaboratoryEquipmentMember" xlink:label="infi_LaboratoryEquipmentMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="us-gaap_LeaseholdImprovementsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives" xlink:label="us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosurePropertyAndEquipmentDepreciatedPeriodsAbstract" xlink:to="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="infi_LaboratoryEquipmentMember" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="infi_ComputerEquipmentAndSoftwareMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_LeaseholdImprovementsMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_FurnitureAndFixturesMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_RangeAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_PropertyPlantAndEquipmentLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureStockBasedCompensationExpenseRelatedToAllEquityAwards">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureStockBasedCompensationExpenseRelatedToAllEquityAwardsAbstract" xlink:label="infi_DisclosureStockBasedCompensationExpenseRelatedToAllEquityAwardsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsReportLineDomain" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsReportLineDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsByReportLineAxis" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsByReportLineAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureStockBasedCompensationExpenseRelatedToAllEquityAwardsAbstract" xlink:to="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsReportLineDomain" xlink:to="us-gaap_ResearchAndDevelopmentExpenseMember" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsReportLineDomain" xlink:to="us-gaap_GeneralAndAdministrativeExpenseMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsByReportLineAxis" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsReportLineDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:to="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsByReportLineAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureStockBasedCompensationAdditionalInformation">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureStockBasedCompensationAdditionalInformationAbstract" xlink:label="infi_DisclosureStockBasedCompensationAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureStockBasedCompensationAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureBlackScholesValuationModelWeightedAverageAssumptions">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureBlackScholesValuationModelWeightedAverageAssumptionsAbstract" xlink:label="infi_DisclosureBlackScholesValuationModelWeightedAverageAssumptionsAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureBlackScholesValuationModelWeightedAverageAssumptionsAbstract" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureSummaryOfCashCashEquivalentsAndAvailableforsaleSecurities">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsGrossUnrealizedGains" xlink:label="infi_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsGrossUnrealizedGains"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsGrossUnrealizedLosses" xlink:label="infi_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsGrossUnrealizedLosses"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValueGrossUnrealizedGains" xlink:label="infi_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValueGrossUnrealizedGains"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearGrossUnrealizedGains" xlink:label="infi_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearGrossUnrealizedGains"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearGrossUnrealizedLosses" xlink:label="infi_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearGrossUnrealizedLosses"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" xlink:label="us-gaap_AvailableForSaleSecuritiesFairValueDisclosure"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain" xlink:label="us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesAtCost" xlink:label="infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesAtCost"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesEstimatedFairValue" xlink:label="infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesEstimatedFairValue"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesGrossUnrealizedGain" xlink:label="infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesGrossUnrealizedGain"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesGrossUnrealizedLosses" xlink:label="infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesGrossUnrealizedLosses"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CashAndCashEquivalentsAtCost" xlink:label="infi_CashAndCashEquivalentsAtCost"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CashAndCashEquivalentsGrossUnrealizedGains" xlink:label="infi_CashAndCashEquivalentsGrossUnrealizedGains"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CashAndCashEquivalentsGrossUnrealizedLosses" xlink:label="infi_CashAndCashEquivalentsGrossUnrealizedLosses"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CorporateObligationsMember" xlink:label="infi_CorporateObligationsMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureSummaryOfCashCashEquivalentsAndAvailableforsaleSecuritiesAbstract" xlink:label="infi_DisclosureSummaryOfCashCashEquivalentsAndAvailableforsaleSecuritiesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember" xlink:label="us-gaap_MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesTable"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_UsGovernmentSponsoredEnterpriseObligationsMember" xlink:label="infi_UsGovernmentSponsoredEnterpriseObligationsMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureSummaryOfCashCashEquivalentsAndAvailableforsaleSecuritiesAbstract" xlink:to="us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="infi_CorporateObligationsMember" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="us-gaap_MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="infi_UsGovernmentSponsoredEnterpriseObligationsMember" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_CashAndCashEquivalentsAtCost" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_CashAndCashEquivalentsGrossUnrealizedGains" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValueGrossUnrealizedGains" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_CashAndCashEquivalentsGrossUnrealizedLosses" order="1.0900" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearGrossUnrealizedGains" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearGrossUnrealizedLosses" order="1.1300" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsGrossUnrealizedGains" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsGrossUnrealizedLosses" order="1.1700" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableforsaleSecuritiesGrossUnrealizedGain" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1" order="1.2200" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleSecuritiesFairValueDisclosure" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesAtCost" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesGrossUnrealizedGain" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesGrossUnrealizedLosses" order="1.2600" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesEstimatedFairValue" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureCashCashEquivalentsAndAvailableforSaleSecuritiesAdditionalInformation">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AvailableForSaleSecuritiesDebtFairValue" xlink:label="infi_AvailableForSaleSecuritiesDebtFairValue"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AvailableForSaleSecuritiesDebtGrossUnrealizedLosses" xlink:label="infi_AvailableForSaleSecuritiesDebtGrossUnrealizedLosses"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions" xlink:label="us-gaap_AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AvailableForSaleSecuritiesNumberOfFinancialInstitutionAndOtherCorporateDebtSecuritiesLocatedInForeignCountries" xlink:label="infi_AvailableForSaleSecuritiesNumberOfFinancialInstitutionAndOtherCorporateDebtSecuritiesLocatedInForeignCountries"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureCashCashEquivalentsAndAvailableforSaleSecuritiesAdditionalInformationAbstract" xlink:label="infi_DisclosureCashCashEquivalentsAndAvailableforSaleSecuritiesAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ForeignCorporateDebtSecuritiesMember" xlink:label="us-gaap_ForeignCorporateDebtSecuritiesMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_LessThanTwelveMonthsMember" xlink:label="infi_LessThanTwelveMonthsMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_NumberOfSecuritiesUnrealizedLossesPosition" xlink:label="infi_NumberOfSecuritiesUnrealizedLossesPosition"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities" xlink:label="us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureCashCashEquivalentsAndAvailableforSaleSecuritiesAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="infi_LessThanTwelveMonthsMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="us-gaap_ForeignCorporateDebtSecuritiesMember" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_AvailableForSaleSecuritiesNumberOfFinancialInstitutionAndOtherCorporateDebtSecuritiesLocatedInForeignCountries" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_AvailableForSaleSecuritiesDebtFairValue" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_AvailableForSaleSecuritiesDebtGrossUnrealizedLosses" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="infi_NumberOfSecuritiesUnrealizedLossesPosition" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureAssetsCarriedAtFairValueMeasuredOnRecurringBasis">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesEstimatedFairValue" xlink:label="infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesEstimatedFairValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CorporateObligationsFairValue" xlink:label="infi_CorporateObligationsFairValue"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureAssetsCarriedAtFairValueMeasuredOnRecurringBasisAbstract" xlink:label="infi_DisclosureAssetsCarriedAtFairValueMeasuredOnRecurringBasisAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure" xlink:label="us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_UsGovernmentSponsoredEnterpriseObligationsFairValue" xlink:label="infi_UsGovernmentSponsoredEnterpriseObligationsFairValue"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureAssetsCarriedAtFairValueMeasuredOnRecurringBasisAbstract" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_CashAndCashEquivalentsFairValueDisclosure" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="infi_CorporateObligationsFairValue" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="infi_UsGovernmentSponsoredEnterpriseObligationsFairValue" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="infi_CashAndCashEquivalentsAndAvailableForSaleSecuritiesEstimatedFairValue" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel1Member" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel2Member" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureFairValueAdditionalInformation">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CashEquivalentsMaturityPeriod" xlink:label="infi_CashEquivalentsMaturityPeriod"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureFairValueAdditionalInformationAbstract" xlink:label="infi_DisclosureFairValueAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureFairValueAdditionalInformationAbstract" xlink:to="us-gaap_FairValueByBalanceSheetGroupingTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:to="infi_CashEquivalentsMaturityPeriod" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByBalanceSheetGroupingTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByBalanceSheetGroupingTable" xlink:to="us-gaap_RangeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FairValueByBalanceSheetGroupingTable" xlink:to="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureCollaborationsAdditionalInformation">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AggregateConsiderationToBeReceivedOnStockTransaction" xlink:label="infi_AggregateConsiderationToBeReceivedOnStockTransaction"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AmortizationOfLoanCommitmentAsset" xlink:label="infi_AmortizationOfLoanCommitmentAsset"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ApprovalAndCommercializationCostOfDistinctProductsPayable" xlink:label="infi_ApprovalAndCommercializationCostOfDistinctProductsPayable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAxis" xlink:label="us-gaap_CashAndCashEquivalentsAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashMember" xlink:label="us-gaap_CashMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:label="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CommonStockAggregatePurchasePrice" xlink:label="infi_CommonStockAggregatePurchasePrice"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DebtAmountPlusAccruedInterest" xlink:label="infi_DebtAmountPlusAccruedInterest"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DeferredRevenueAtTransactionDate" xlink:label="infi_DeferredRevenueAtTransactionDate"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DeferredRevenueRecognitionPeriod" xlink:label="infi_DeferredRevenueRecognitionPeriod"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenueRevenueRecognized" xlink:label="us-gaap_DeferredRevenueRevenueRecognized"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DescriptionOfRoyaltyPayable" xlink:label="infi_DescriptionOfRoyaltyPayable"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DevelopmentCostOfDistinctProductCandidates" xlink:label="infi_DevelopmentCostOfDistinctProductCandidates"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureCollaborationsAdditionalInformationAbstract" xlink:label="infi_DisclosureCollaborationsAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExtinguishmentOfDebtAmount" xlink:label="us-gaap_ExtinguishmentOfDebtAmount"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_FattyAcidAmideHydrolaseMember" xlink:label="infi_FattyAcidAmideHydrolaseMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_FinancialEffectOnNetIncomeLossPerShareBasicAndDilutedAsResultOfTerminationOfAllianceWithRelatedParty" xlink:label="infi_FinancialEffectOnNetIncomeLossPerShareBasicAndDilutedAsResultOfTerminationOfAllianceWithRelatedParty"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_FinancialEffectOnNetIncomeLossPerShareBasicAsResultOfTerminationOfAllianceWithRelatedParty" xlink:label="infi_FinancialEffectOnNetIncomeLossPerShareBasicAsResultOfTerminationOfAllianceWithRelatedParty"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_FinancialEffectOnNetIncomeLossPerShareDilutedAsResultOfTerminationOfAllianceWithRelatedParty" xlink:label="infi_FinancialEffectOnNetIncomeLossPerShareDilutedAsResultOfTerminationOfAllianceWithRelatedParty"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_GainOnTerminationOfAllianceWithRelatedParty" xlink:label="infi_GainOnTerminationOfAllianceWithRelatedParty"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_IncreaseDecreaseInDeferredRevenueFromRelatedParty" xlink:label="infi_IncreaseDecreaseInDeferredRevenueFromRelatedParty"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="us-gaap_InterestExpenseDebt"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="us-gaap_LineOfCreditFacilityAxis"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_LineOfCreditFacilityBorrowingBase" xlink:label="infi_LineOfCreditFacilityBorrowingBase"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDescription"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="us-gaap_LineOfCreditMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_LoanCommitmentAssetFairValue" xlink:label="infi_LoanCommitmentAssetFairValue"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_MilestonesPaid" xlink:label="infi_MilestonesPaid"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_MundipharmaAndPurdueMember" xlink:label="infi_MundipharmaAndPurdueMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_NumberOfDistinctProductCandidates" xlink:label="infi_NumberOfDistinctProductCandidates"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_PercentageOfDetailingEffortForProducts" xlink:label="infi_PercentageOfDetailingEffortForProducts"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_PercentageOfSecuritiesEntitiesCanIncludeInFutureEquityOffering" xlink:label="infi_PercentageOfSecuritiesEntitiesCanIncludeInFutureEquityOffering"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_PriorWrittenNoticeForTerminationAfterEndOfResearchTermPeriod" xlink:label="infi_PriorWrittenNoticeForTerminationAfterEndOfResearchTermPeriod"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_PriorWrittenNoticeForTerminationOnBreachOfAgreementByOtherPartyPeriod" xlink:label="infi_PriorWrittenNoticeForTerminationOnBreachOfAgreementByOtherPartyPeriod"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_PriorWrittenNoticeForTerminationOnNonPaymentByOtherPartyPeriod" xlink:label="infi_PriorWrittenNoticeForTerminationOnNonPaymentByOtherPartyPeriod"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_PriorWrittenNoticeForTerminationPeriod" xlink:label="infi_PriorWrittenNoticeForTerminationPeriod"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ProceedsFromIssuanceOfCommonStockToRelatedParty" xlink:label="infi_ProceedsFromIssuanceOfCommonStockToRelatedParty"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_RecoveryOfResearchAndDevelopmentFunding" xlink:label="infi_RecoveryOfResearchAndDevelopmentFunding"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:label="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ResearchAndDevelopmentFundingReceived" xlink:label="infi_ResearchAndDevelopmentFundingReceived"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_RevenueForReimbursedResearchAndDevelopmentServices" xlink:label="infi_RevenueForReimbursedResearchAndDevelopmentServices"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_RoyaltyPaymentsMaximumReduction" xlink:label="infi_RoyaltyPaymentsMaximumReduction"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_RoyaltyRateOnFutureSales" xlink:label="infi_RoyaltyRateOnFutureSales"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_RoyaltyRatePayableAfterInitialResearchAndDevelopmentCostRecovery" xlink:label="infi_RoyaltyRatePayableAfterInitialResearchAndDevelopmentCostRecovery"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_RoyaltyTermAndRoyaltyRateReduction" xlink:label="infi_RoyaltyTermAndRoyaltyRateReduction"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_SaleOfSecuritiesPricePerShare" xlink:label="infi_SaleOfSecuritiesPricePerShare"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_SaleOfStockConsiderationToBeReceivedOnTransaction" xlink:label="infi_SaleOfStockConsiderationToBeReceivedOnTransaction"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:label="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ShareOfProfitsAndLossesOnDevelopmentAndCommercialization" xlink:label="infi_ShareOfProfitsAndLossesOnDevelopmentAndCommercialization"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityOther" xlink:label="us-gaap_StockholdersEquityOther"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_StockIssuedInPriorPeriodShares" xlink:label="infi_StockIssuedInPriorPeriodShares"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_StockToBeIssuedUnderSecuritiesPurchaseAgreement" xlink:label="infi_StockToBeIssuedUnderSecuritiesPurchaseAgreement"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_UnamortizedLoanCommitmentAssetOfBorrowing" xlink:label="infi_UnamortizedLoanCommitmentAssetOfBorrowing"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_UnderwriterMember" xlink:label="infi_UnderwriterMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_UpFrontLicenseFee" xlink:label="infi_UpFrontLicenseFee"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_UpFrontLicenseFeePayable" xlink:label="infi_UpFrontLicenseFeePayable"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_WarrantsIssuedInPriorPeriodShares" xlink:label="infi_WarrantsIssuedInPriorPeriodShares"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CashAndCashEquivalentsAxis" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_ResearchAndDevelopmentFundingReceived" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_RevenueForReimbursedResearchAndDevelopmentServices" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_RoyaltyRateOnFutureSales" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_RecoveryOfResearchAndDevelopmentFunding" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_RoyaltyRatePayableAfterInitialResearchAndDevelopmentCostRecovery" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_DescriptionOfRoyaltyPayable" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_RoyaltyTermAndRoyaltyRateReduction" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_RoyaltyPaymentsMaximumReduction" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="us-gaap_DeferredRevenueRevenueRecognized" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_GainOnTerminationOfAllianceWithRelatedParty" order="1.1100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_FinancialEffectOnNetIncomeLossPerShareBasicAsResultOfTerminationOfAllianceWithRelatedParty" order="1.1200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_FinancialEffectOnNetIncomeLossPerShareDilutedAsResultOfTerminationOfAllianceWithRelatedParty" order="1.1300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_FinancialEffectOnNetIncomeLossPerShareBasicAndDilutedAsResultOfTerminationOfAllianceWithRelatedParty" order="1.1400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" order="1.1500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_LoanCommitmentAssetFairValue" order="1.1600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_AmortizationOfLoanCommitmentAsset" order="1.1700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_LineOfCreditFacilityBorrowingBase" order="1.1800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage" order="1.1900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="us-gaap_LineOfCreditFacilityInterestRateDescription" order="1.2000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_UnamortizedLoanCommitmentAssetOfBorrowing" order="1.2100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="us-gaap_InterestExpenseDebt" order="1.2200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="us-gaap_DebtInstrumentInterestRateEffectivePercentage" order="1.2300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_StockIssuedInPriorPeriodShares" order="1.2400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_WarrantsIssuedInPriorPeriodShares" order="1.2500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_CommonStockAggregatePurchasePrice" order="1.2600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_DeferredRevenueAtTransactionDate" order="1.2700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_DeferredRevenueRecognitionPeriod" order="1.2800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_StockToBeIssuedUnderSecuritiesPurchaseAgreement" order="1.2900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_AggregateConsiderationToBeReceivedOnStockTransaction" order="1.3000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_DebtAmountPlusAccruedInterest" order="1.3100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_SaleOfStockConsiderationToBeReceivedOnTransaction" order="1.3200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_SaleOfSecuritiesPricePerShare" order="1.3300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_PercentageOfSecuritiesEntitiesCanIncludeInFutureEquityOffering" order="1.3400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="us-gaap_StockholdersEquityOther" order="1.3500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="us-gaap_ExtinguishmentOfDebtAmount" order="1.3600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_IncreaseDecreaseInDeferredRevenueFromRelatedParty" order="1.3700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_ProceedsFromIssuanceOfCommonStockToRelatedParty" order="1.3800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_UpFrontLicenseFee" order="1.3900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_UpFrontLicenseFeePayable" order="1.4000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_MilestonesPaid" order="1.4100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_DevelopmentCostOfDistinctProductCandidates" order="1.4200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_ApprovalAndCommercializationCostOfDistinctProductsPayable" order="1.4300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_NumberOfDistinctProductCandidates" order="1.4400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_ShareOfProfitsAndLossesOnDevelopmentAndCommercialization" order="1.4500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_PercentageOfDetailingEffortForProducts" order="1.4600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_PriorWrittenNoticeForTerminationPeriod" order="1.4700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_PriorWrittenNoticeForTerminationOnBreachOfAgreementByOtherPartyPeriod" order="1.4800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_PriorWrittenNoticeForTerminationOnNonPaymentByOtherPartyPeriod" order="1.4900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" xlink:to="infi_PriorWrittenNoticeForTerminationAfterEndOfResearchTermPeriod" order="1.5000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureCollaborationsAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityAxis" xlink:to="us-gaap_LineOfCreditFacilityLenderDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="us-gaap_LineOfCreditMember" order="1.5200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" order="1.5400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" xlink:to="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:to="infi_MundipharmaAndPurdueMember" order="1.5100" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain" xlink:to="infi_FattyAcidAmideHydrolaseMember" order="1.5600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="us-gaap_CashMember" order="1.5300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="us-gaap_RangeAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="us-gaap_CashAndCashEquivalentsAxis" order="12.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="us-gaap_LineOfCreditFacilityAxis" order="13.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="us-gaap_AwardTypeAxis" order="14.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable" xlink:to="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="infi_UnderwriterMember" order="1.5500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureAccruedExpenses">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AccruedClinicalStudies" xlink:label="infi_AccruedClinicalStudies"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AccruedDrugManufacturingCosts" xlink:label="infi_AccruedDrugManufacturingCosts"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AccruedPreclinicalStudies" xlink:label="infi_AccruedPreclinicalStudies"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureAccruedExpensesAbstract" xlink:label="infi_DisclosureAccruedExpensesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ScheduleOfAccruedLiabilitiesLineItems" xlink:label="infi_ScheduleOfAccruedLiabilitiesLineItems"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ScheduleOfAccruedLiabilitiesTable" xlink:label="infi_ScheduleOfAccruedLiabilitiesTable"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureAccruedExpensesAbstract" xlink:to="infi_ScheduleOfAccruedLiabilitiesTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfAccruedLiabilitiesLineItems" xlink:to="us-gaap_EmployeeRelatedLiabilitiesCurrent" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfAccruedLiabilitiesLineItems" xlink:to="infi_AccruedDrugManufacturingCosts" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfAccruedLiabilitiesLineItems" xlink:to="infi_AccruedClinicalStudies" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfAccruedLiabilitiesLineItems" xlink:to="infi_AccruedPreclinicalStudies" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfAccruedLiabilitiesLineItems" xlink:to="us-gaap_OtherAccruedLiabilitiesCurrent" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfAccruedLiabilitiesLineItems" xlink:to="us-gaap_AccruedLiabilitiesCurrent" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfAccruedLiabilitiesTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfAccruedLiabilitiesTable" xlink:to="infi_ScheduleOfAccruedLiabilitiesLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureCommonStockOfferingAdditionalInformation">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CommonStockIssuedDuringPeriodPublicOfferingShares" xlink:label="infi_CommonStockIssuedDuringPeriodPublicOfferingShares"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureCommonStockOfferingAdditionalInformationAbstract" xlink:label="infi_DisclosureCommonStockOfferingAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_EquityNoteLineItems" xlink:label="infi_EquityNoteLineItems"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_EquityNoteTable" xlink:label="infi_EquityNoteTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ProceedsFromCommonStockOfferingNet" xlink:label="infi_ProceedsFromCommonStockOfferingNet"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="us-gaap_SaleOfStockPricePerShare"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureCommonStockOfferingAdditionalInformationAbstract" xlink:to="infi_EquityNoteTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_EquityNoteLineItems" xlink:to="infi_CommonStockIssuedDuringPeriodPublicOfferingShares" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_EquityNoteLineItems" xlink:to="us-gaap_SaleOfStockPricePerShare" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_EquityNoteLineItems" xlink:to="infi_ProceedsFromCommonStockOfferingNet" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_EquityNoteTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_EquityNoteTable" xlink:to="infi_EquityNoteLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureIncomeFromMassachusettsTaxIncentiveAwardAdditionalInformation">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureIncomeFromMassachusettsTaxIncentiveAwardAdditionalInformationAbstract" xlink:label="infi_DisclosureIncomeFromMassachusettsTaxIncentiveAwardAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_IncomeFromTaxIncentiveAward" xlink:label="infi_IncomeFromTaxIncentiveAward"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_IncomeTaxIncentivesPeriod" xlink:label="infi_IncomeTaxIncentivesPeriod"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_MassachusettsMember" xlink:label="infi_MassachusettsMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_OtherIncomeNetLineItems" xlink:label="infi_OtherIncomeNetLineItems"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ScheduleOfOtherIncomeNetTable" xlink:label="infi_ScheduleOfOtherIncomeNetTable"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_TaxIncentiveAward" xlink:label="infi_TaxIncentiveAward"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureIncomeFromMassachusettsTaxIncentiveAwardAdditionalInformationAbstract" xlink:to="infi_ScheduleOfOtherIncomeNetTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="infi_MassachusettsMember" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_OtherIncomeNetLineItems" xlink:to="infi_IncomeFromTaxIncentiveAward" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_OtherIncomeNetLineItems" xlink:to="infi_TaxIncentiveAward" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_OtherIncomeNetLineItems" xlink:to="infi_IncomeTaxIncentivesPeriod" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfOtherIncomeNetTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfOtherIncomeNetTable" xlink:to="us-gaap_IncomeTaxAuthorityAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ScheduleOfOtherIncomeNetTable" xlink:to="infi_OtherIncomeNetLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureRestructuringActivitiesAdditionalInformation">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureRestructuringActivitiesAdditionalInformationAbstract" xlink:label="infi_DisclosureRestructuringActivitiesAdditionalInformationAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="us-gaap_EmployeeSeveranceMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquipmentMember" xlink:label="us-gaap_EquipmentMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ExpectedRemainingRestructuringAndRelatedCost" xlink:label="infi_ExpectedRemainingRestructuringAndRelatedCost"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_GroupOneMember" xlink:label="infi_GroupOneMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_GroupTwoMember" xlink:label="infi_GroupTwoMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_HeadcountReductionPercentage" xlink:label="infi_HeadcountReductionPercentage"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ImpairmentChargeByTypeAxis" xlink:label="infi_ImpairmentChargeByTypeAxis"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ImpairmentChargeByTypeDomain" xlink:label="infi_ImpairmentChargeByTypeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="us-gaap_RestructuringCharges"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_RestructuringChargesAxis" xlink:label="infi_RestructuringChargesAxis"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_RestructuringChargesDomain" xlink:label="infi_RestructuringChargesDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="us-gaap_RestructuringCostAndReserveAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="us-gaap_RestructuringCostAndReserveLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="us-gaap_TypeOfRestructuringDomain"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureRestructuringActivitiesAdditionalInformationAbstract" xlink:to="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ImpairmentChargeByTypeAxis" xlink:to="infi_ImpairmentChargeByTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_ImpairmentChargeByTypeDomain" xlink:to="us-gaap_EquipmentMember" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_RestructuringChargesAxis" xlink:to="infi_RestructuringChargesDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_RestructuringChargesDomain" xlink:to="infi_GroupOneMember" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_RestructuringChargesDomain" xlink:to="infi_GroupTwoMember" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestructuringCostAndReserveAxis" xlink:to="us-gaap_TypeOfRestructuringDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestructuringCostAndReserveLineItems" xlink:to="us-gaap_RestructuringCharges" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestructuringCostAndReserveLineItems" xlink:to="infi_ExpectedRemainingRestructuringAndRelatedCost" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestructuringCostAndReserveLineItems" xlink:to="infi_HeadcountReductionPercentage" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestructuringCostAndReserveLineItems" xlink:to="us-gaap_AssetImpairmentCharges" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="us-gaap_RestructuringCostAndReserveAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="infi_ImpairmentChargeByTypeAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="us-gaap_SubsequentEventTypeAxis" order="12.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="infi_RestructuringChargesAxis" order="13.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="us-gaap_RestructuringCostAndReserveLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfRestructuringDomain" xlink:to="us-gaap_EmployeeSeveranceMember" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/DisclosureRestructuringActivities">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedLiabilitiesMember" xlink:label="us-gaap_AccruedLiabilitiesMember"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_DisclosureRestructuringActivitiesAbstract" xlink:label="infi_DisclosureRestructuringActivitiesAbstract"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="us-gaap_EmployeeSeveranceMember"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialStatementLineItemsWithDifferencesInReportedAmountAndReportingCurrencyDenominatedAmountsDomain" xlink:label="us-gaap_FinancialStatementLineItemsWithDifferencesInReportedAmountAndReportingCurrencyDenominatedAmountsDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InformationByFinancialStatementLineItemAxis" xlink:label="us-gaap_InformationByFinancialStatementLineItemAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForRestructuring" xlink:label="us-gaap_PaymentsForRestructuring"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestructuringAndRelatedCostIncurredCost" xlink:label="us-gaap_RestructuringAndRelatedCostIncurredCost"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="us-gaap_RestructuringCostAndReserveAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="us-gaap_RestructuringCostAndReserveLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="us-gaap_RestructuringReserve"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="us-gaap_TypeOfRestructuringDomain"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="infi_DisclosureRestructuringActivitiesAbstract" xlink:to="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_FinancialStatementLineItemsWithDifferencesInReportedAmountAndReportingCurrencyDenominatedAmountsDomain" xlink:to="us-gaap_AccruedLiabilitiesMember" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_InformationByFinancialStatementLineItemAxis" xlink:to="us-gaap_FinancialStatementLineItemsWithDifferencesInReportedAmountAndReportingCurrencyDenominatedAmountsDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestructuringCostAndReserveAxis" xlink:to="us-gaap_TypeOfRestructuringDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestructuringCostAndReserveLineItems" xlink:to="us-gaap_RestructuringAndRelatedCostIncurredCost" order="1.0400" preferredLabel="http://xbrl.us/us-gaap/role/label/negated" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestructuringCostAndReserveLineItems" xlink:to="us-gaap_PaymentsForRestructuring" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_RestructuringCostAndReserveLineItems" xlink:to="us-gaap_RestructuringReserve" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="us-gaap_InformationByFinancialStatementLineItemAxis" order="10.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="us-gaap_RestructuringCostAndReserveAxis" order="11.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:to="us-gaap_RestructuringCostAndReserveLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TypeOfRestructuringDomain" xlink:to="us-gaap_EmployeeSeveranceMember" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsOrganizationDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_OrganizationDisclosureTextBlock" xlink:label="infi_OrganizationDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="infi_OrganizationDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="infi_ConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="infi_ConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockPolicies">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CashEquivalentsAndAvailableForSaleSecuritiesPolicyTextBlock" xlink:label="infi_CashEquivalentsAndAvailableForSaleSecuritiesPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingPolicyPolicyTextBlock" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="infi_CashEquivalentsAndAvailableForSaleSecuritiesPolicyTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_SegmentReportingPolicyPolicyTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" order="1.0500" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_RevenueRecognitionPolicyTextBlock" order="1.0600" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ResearchAndDevelopmentExpensePolicy" order="1.0700" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeTaxPolicyTextBlock" order="1.0800" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_FairValueMeasurementPolicyPolicyTextBlock" order="1.0900" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" order="1.1000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsSignificantAccountingPoliciesTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock" order="1.0400" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" order="1.0300" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsCashCashEquivalentsAndMarketableSecuritiesTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashCashEquivalentsAndMarketableSecuritiesTextBlock" xlink:label="us-gaap_CashCashEquivalentsAndMarketableSecuritiesTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CashCashEquivalentsAndMarketableSecuritiesTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsCashCashEquivalentsAndMarketableSecuritiesTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_ScheduleOfCashCashEquivalentsAndAvailableForSaleSecuritiesTableTextBlock" xlink:label="infi_ScheduleOfCashCashEquivalentsAndAvailableForSaleSecuritiesTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="infi_ScheduleOfCashCashEquivalentsAndAvailableForSaleSecuritiesTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_FairValueDisclosuresTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsCollaborativeArrangementDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CollaborativeArrangementDisclosureTextBlock" xlink:label="us-gaap_CollaborativeArrangementDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CollaborativeArrangementDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsAccruedLiabilitiesDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_AccruedLiabilitiesDisclosureTextBlock" xlink:label="infi_AccruedLiabilitiesDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="infi_AccruedLiabilitiesDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsAccruedLiabilitiesDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsCommonStockOfferingsDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_CommonStockOfferingsDisclosureTextBlock" xlink:label="infi_CommonStockOfferingsDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="infi_CommonStockOfferingsDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsIncomeFromTaxIncentiveAwardDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="infi-20120930.xsd#infi_IncomeFromTaxIncentiveAwardDisclosureTextBlock" xlink:label="infi_IncomeFromTaxIncentiveAwardDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="infi_IncomeFromTaxIncentiveAwardDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsRestructuringAndRelatedActivitiesDisclosureTextBlock">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock" xlink:label="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
  <presentationLink xlink:type="extended" xlink:role="http://www.infi.com/taxonomy/role/NotesToFinancialStatementsRestructuringAndRelatedActivitiesDisclosureTextBlockTables">
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock" xlink:label="us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock" order="1.0200" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementLineItems" order="100.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
    <presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_StatementTable" order="1.0000" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" priority="2" use="optional"/>
  </presentationLink>
</linkbase>
