Vinblastine Impurity D

Chemical Name: Methyl (3aR,3a1R,4R,5S,5aR,10bR)-4-acetoxy-3a-ethyl-9-((5S,7R,9S)-5-ethyl-5-hydroxy-9-(methoxycarbonyl)-15-oxo-1,4,5,6,7,8,9,10-octahydro-2H-3,7-methano[1]azacycloundecino[5,4-b]indol-9-yl)-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@]1(O)[C@]2([H])N(C)C3=C(C=C([C@@]4(C(OC)=O)C[C@]5([H])C[C@@](O)(CC)CN(C5=O)CCC6=C4NC7=C6C=CC=C7)C(OC)=C3)[C@]2(CCN8CC=C9)[C@]8([H])[C@]9(CC)[C@H]1OC(C)=O)OC