Vinblastine Impurity M

Chemical Name: Methyl (1aR,2aS,2bS,2b1R,3R,4S,4aR,9bR)-3-acetoxy-2b-ethyl-8-((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)-4-hydroxy-7-methoxy-5-methyl-1a,2a,2b,2b1,3,4,4a,5,10,11-decahydro-1H-oxireno[2',3':6,7]indolizino[8,1-cd]carbazole-4-carboxylate

Smile: O=C(OC)[C@@]1([C@@]2(N(C3=C([C@@]2([C@@]4([C@@]5([C@H]1OC(C)=O)CC)[H])CCN4C[C@@]6([C@]5(O6)[H])[H])C=C(C(OC)=C3)[C@]7(C[C@@]8(C[C@@](CC)(CN(CCC9=C7NC%10=C9C=CC=C%10)C8=O)O)[H])C(OC)=O)C)[H])O