17ALFA, 21-DIHYDROXYPREGNENE ESTERS AS ANTIANDROGENIC AGENTS

摘要

17.alpha.,21-Dihydroxypregna-4,9-diene-3,20-dione and 17.alpha.,21- dihydroxypregna-4-ene-3,20-dione 17 and/or 21 esters of having remarkable antiandrogenic activity, and the processes for the preparation thereof.