Docetaxel Impurity 23

Chemical Name: 5-((2aR,4S,4aS,6R,9S,11S,12S,12bS)-12b-acetoxy-12-(benzoyloxy)-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-4,6-bis(((2,2,2-trichloroethoxy)carbonyl)oxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-9-yl) 3-(tert-butyl) (4R,5R)-2,2-dimethyl-4-phenyloxazolidine-3,5-dicarboxylate

Synonym: (2S,3S,4S,5R,6R)-4,5,6-trihydroxy-2-((((Z)-6-(methoxycarbonyl)-2-oxoindolin-3-ylidene)(phenyl)methyl)(4-(N-methyl-2-(4-methylpiperazin-1-yl)acetamido)phenyl)amino)tetrahydro-2H-pyran-3-carboxylic acid

Smile: O=C(N1C(C)(C)O[C@@H](C(O[C@@H]2C(C)=C(C3(C)C)[C@@H](OC(OCC(Cl)(Cl)Cl)=O)C([C@@]([C@@H](OC(OCC(Cl)(Cl)Cl)=O)C4)(C)C([C@@]5(OC(C)=O)[C@]4([H])OC5)[C@H](OC(C6=CC=CC=C6)=O)[C@]3(O)C2)=O)=O)[C@H]1C7=CC=CC=C7)OC(C)(C)C