Synonyms: NSC339668;AC1L7FEN;NSC-339668;83586-83-8;Azirino[2',4]pyrrolo[1,2-a]indole-4,7-dione, 8-[[(aminocarbonyl)oxy]methyl]-6-[[2-(ethylthio)ethyl]amino]-1,1a,2,8,8a,8b-hexahydro-8a-methoxy-5-methyl-, [1aR-(1a.alpha.,8.beta.,8a.alpha.,8b.alpha.)]-