(17-beta)-17-((4-(Bis(2-chloroethyl)amino)benzoyl)oxy)-3-aza-A-homoandrost-4a-en-4-one 157757-77-2 17-((4-(Bis(2-chloroethyl)amino)benzoyl)oxy)-3-aza-A-homoandrost-4A-en-4-one 3-Aza-A-homoandrost-4a-en-4-one, 17-((4-(bis(2-chloroethyl)amino)benzoyl)oxy)-, (17-beta)-