Vinorelbine EP Impurity A

Chemical Name: Vinorelbine 3,6-Epxoy Impurity ; methyl (3R,3aS,3a1R,4R,5S,5aR,10bR)-4-acetoxy-3a-ethyl-9-((2S,6R,8S)-4-ethyl-8-(methoxycarbonyl)-1,3,6,7,8,9-hexahydro-2,6-methanoazecino[4,3-b]indol-8-yl)-8-methoxy-6-methyl-3a,4,5a,6,11,12-hexahydro-3H-3,5-epoxyindolizino[8,1-cd]carbazole-5(3a1H)-carboxylate