Vincristine Sulfate EP Impurity G

Chemical Name: Methyl (3aR,4R,5S,5aR,10bR,13aR)-4-(acetyloxy)-3a-ethyl-9-[(1aS,11S,13S,13aR)-1a-ethyl-11-(methoxycarbonyl)-1a,4,5,10,11,12,13,13a-octahydro-2H-3,13-methano-oxireno[9,10]azacycloundecino[5,4-b]indol-11-yl]-6-formyl-5-hydroxy-8-methoxy-3a,4,5,5a,6,11,12,13a-octahydro-1H-indolizino[8,1-cd]carbazole-5-carboxylate (as per EP)

Smile: [H][C@@]([C@@]12[C@@]3([H])N4CC2)([C@](C(OC)=O)(O)[C@@](OC(C)=O)([H])[C@]3(CC)C=CC4)N(C([H])=O)C5=C1C=C([C@@](C(OC)=O)(C[C@]6([H])[C@]7([H])[C@@](CC)(O7)CN(CC8)C6)C9=C8C(C=CC=C%10)=C%10N9)C(OC)=C5