Vinorelbine EP Impurity B

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, (2β,​3β,​4β,​5α,​12R,​19α)​-

  '-Norvincaleukoblastine, ⁴-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, (2β,3β,4β,5α,12β,19α)-
Deacetyl vinorelbine
Desacetylnavelbine (base)
O-Deacetylnavelbine
4-O-Deacetylvinorelbine

C₄₃ H₅₂ N₄ O₇

736.90

>95%

Heterocycles, Heteroaromatics, Impurities

 Pharmaceutical Impurity