Synonyms: C'-Norvincaleukoblastine,O4-deacetyl-3',4'-didehydro-4'-deoxy-; Aspidospermidine-3-carboxylic acid,6,7-didehydro-15-[(2R,6R,8S)-4-ethyl-1,3,6,7,8,9-hexahydro-8-(methoxycarbonyl)-2,6-methano-2H-azecino[4,3-b]indol-8-yl]-3,4-dihydroxy-16-methoxy-1-methyl-,methyl ester, (2b,3b,4b,5a,12b,19a)-; Deacetyl vinorelbine; Desacetylnavelbine (base);O-Deacetylnavelbine