Mitomycin F

N-methylmitomycin A

(1aR)-8α-[[(Aminocarbonyl)oxy]methyl]-1,1aβ,2,8,8aβ,8bβ-hexahydro-6,8a-dimethoxy-1,5-dimethylazirino[2',3':3,4]pyrrolo[1,2-a]indole-4,7-dione