EXHIBIT 21.0 SUBSIDIARIES OF REGISTRANT - - 2 Quaker Road Corp., a New York Corporation - - 2 Quaker Road, LLC, a Delaware Limited Liability Company - - 265 Livingston Street Corp., a New Jersey Corporation - - Barrcip Inc., a Delaware Corporation - - Barr Pharmaceuticals, Inc., a New York Corporation - - BRL, Inc. d/b/a Barr Research, a Delaware Corporation - - Duramed Pharmaceuticals, Inc., a Delaware Corporation - - Marketmaster, Inc., an Ohio Corporation - - Duramed Reasearch and Development Corporation, a New York Corporation - - Duramed Europe, Ltd., a UK Corporation