20397-94-8

6H,13aH-3a,5a-Ethano-1H-indolizino[8,1-cd]- carbazole-5,6-dicarboxylic acid,4,5,11,12-tetrahydro-4,5-dihydroxy-7- methoxy-,dimethyl ester,(3aR,4R,5R,5aS,10bR,13aR)-