83586-85-0 MITOMYCIN ANALOG NSC339671 Propanenitrile, 3-[[8-[[(aminocarbonyl)oxy]methyl]-1,1a,2,4,7,8,8a,8b-octahydro-8a-methoxy-5-methyl-4,7-dioxoazirino[2',3':3,4]pyrrolo[1,2-a]indol-6-yl]amino]-, [1aR-(1a.alpha.,8.beta.,8a.alpha.,8b.alpha.)]-