Vinflunine Impurity 6

Chemical Name: Methyl (3aR,3a1R,4R,5S,5aR,10bR)-4-acetoxy-9-((4R,6S,8S,Z)-4-(1,1-difluoroethyl)-8-(methoxycarbonyl)-3,4,5,6,7,8-hexahydro-2,6-methanoazecino[4,3-b]indol-8-yl)-3a-ethyl-5-hydroxy-8-methoxy-6-methyl-3a,3a1,4,5,5a,6,11,12-octahydro-1H-indolizino[8,1-cd]carbazole-5-carboxylate

Smile: O=C([C@]([C@H](OC(C)=O)[C@@]1(CC)[C@@]2([H])[C@@]3(CCN2CC=C1)C4=C5)(O)[C@]3([H])N(C)C4=CC(OC)=C5[C@@]6(C(OC)=O)C[C@]7([H])C[C@](C(F)(C)F)([H])CN(C7)/C=C8C9=C(N=C6/8)C=CC=C9)OC