78142-79-7 8-(((Aminocarbonyl)oxy)methyl)-6-((2-chloro-2-propenyl)amino)-1,1a,2,8,8a,8b-hexahydro-8a-methoxy-5-methylazirino(2',3':3,4)pyrrolo(1,2-a)indole-4,7-dione (1aR-(1aalpha,8beta,8aalpha,8balpha))- Azirino(2',3':3,4)pyrrolo(1,2-a)indole-4,7-dione, 8-(((aminocarbonyl)oxy)methyl)-6-((2-chloro-2-propenyl)amino)-1,1a,2,8,8a,8b-hexahydro-8a-methoxy-5-methyl-, (1aR-(1aalpha,8beta,8aalpha,8balpha))- N(6)-2-Propynylmitomycin C NSC 331126