Synonyms: [(1as,8s,8ar,8bs)-6-amino-1-({(2s,5r,6r)-3,3-dimethyl-7-oxo-6-[(phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]hept-2-yl}carbonyl)-8a-methoxy-5-methyl-4,7-dioxo-1,1a,2,4,7,8,8a,8b-octahydroazireno[2',3':3,4]pyrrolo[1,2-a]indol-8-yl]methyl carbamate;MITOMYCIN + PENICILLIN G;Mitomycin-Penicillin G;Mitomycin C-Penicillin G;AC1L63MR;KST-1A4521;AR-1A7971;NSC143097;NSC-143097;Acetamide,4,7,8,8a,8b-hexahydro-8-(hydroxymethyl)-8a.alpha.-methoxy-5-methyl-4,7-dioxoazirino[2',3':3,4]pyrrolo[1,2-a]indol-1(2H)-yl]carbonyl]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-6-yl]-2-phenyl-, carbamate (ester)