157757-78-3 17a-Aza-D-homoandrostan-17-one, 3-((3-(bis(2-chloroethyl)amino)-4-methylbenzoyl)oxy)-, (3-beta,5-alpha)- 3-((3-(Bis(2-chloroethyl)amino)-4-methylbenzoyl)oxy)-, (3-beta,5alpha)-17A-aza-D-homoandrostan-17-one