methyl (8S)-8-(bromomethyl)-2-methyl-4-(4-methylpiperazine-1-carbonyl)oxy-6-(5,6,7-trimethoxy-1H-indole-2-carbonyl)-7,8-dihydro-3H-pyrrolo[3,2-e]indole-1-carboxylate

(7bR,8aS)-6,7-dimethyl-1,2,8,8a-tetrahydrocyclopropa[c]pyrrolo[3,2-e]indol-4(5H)-one

(7bR,8aS)-6,7-dimethyl-2-(5,6,7-trimethoxy-1H-indole-2-carbonyl)-1,2,8,8a-tetrahydrocyclopropa[c]pyrrolo[3,2-e]indol-4(5H)-one

(S)-8-Bromomethyl-4-hydroxy-2-methyl-6-(5,6,7-trimethoxy-1H-indole-2-carbonyl)-3,6,7,8-tetrahydro-pyrrolo[3,2-e]indole-1-carboxylic acid methyl ester

3-methoxycarbonyl-1,2-dimethylduocarmycin A