Synonyms: 78142-77-5;NSC 328209;Azirino(2',3':3,4)pyrrolo(1,2-a)indole-4,7-dione,8-(((aminocarbonyl)oxy)methyl)-1,1a,2,8,8a,8b-hexahydro-8a-methoxy-5-methyl-6-((2-methyl-2-propenyl)amino)-,(1aR-(1aalpha,8beta,8aalpha,8balpha))-;Azirino[2',3':3,4]pyrrolo[1,2-a]indole-4,7-dione,8-[[(aminocarbonyl)oxy]methyl]-1,1a,2,8,8a,8b-hexahydro-8a-methoxy-5-methyl-6-[(2-methyl-2-propenyl)amino]-,(1aR-(1a.alpha.,8.beta.,8a.alpha.,8b.alpha.