Duocarmycin SA

Antibiotic DC 113

Cyclopropacpyrrolo3,2-eindole-6-carboxylic acid, 1,2,4,5,8,8a-hexahydro-4-oxo-2-(5,6,7-trimethoxy-1H-indol-2-yl)carbonyl-, methyl ester, (7bR)-