Synonyms: 4',5'-Secovincaleukoblastine,4'-deoxy-4',5'-dioxo-; 1H-Indolizino[8,1-cd]carbazole,aspidospermidine-3-carboxylic acid deriv.; Azonino[5,4-b]indole,aspidospermidine-3-carboxylic acid deriv.;4'-Deoxy-4',5'-dioxo-4',5'-secovincaleukoblastine;Aspidospermidine-3-carboxylic acid,4-(acetyloxy)-6,7-didehydro-15-[(5R,7S)-3-formyl-1,2,3,4,5,6,7,8-octahydro-7-(methoxycarbonyl)-5-(2-oxobutyl)azonino[5,4-b]indol-7-yl]-3-hydroxy-16-methoxy-1-methyl-,methyl ester, (2b,3b,4b,5a,12b,19a)-; Catharinine; Vinamidine