EX-21.1 2 b81284exv21w1.htm EX-21.1 exv21w1
Exhibit 21.1
Subsidiaries of the Registrant
     
Name   Jurisdiction
API Acquisition Sub, Inc.
  Delaware
Avalon Pharmaceuticals, Inc.
  Delaware
PGxHealth Holding, Inc.
  Delaware
PGxHealth, LLC
  Delaware