Subsidiaries of Dusa Pharmaceuticals, Inc.

EX-21.(A) 4 d302702dex21a.htm SUBSIDIARIES OF DUSA PHARMACEUTICALS, INC. Subsidiaries of Dusa Pharmaceuticals, Inc.

EXHIBIT 21(a)

SUBSIDIARIES OF DUSA PHARMACEUTICALS, INC.

DUSA Pharmaceuticals New York, Inc., a New York corporation.

Sirius Laboratories, Inc., formerly DUSA Acquisition Corp., a New Jersey corporation.