Cabazitaxel Impurity B

Chemical Name: 4α-Acetoxy-2α-benzoyloxy-5β,20-epoxy-1β-hydroxy-7β,10β-dimethoxy-9-oxo-11-taxene-13α-yl (2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

Smile: CC(O[C@]([C@@]1([H])C[C@H](OC)[C@]2(C3=O)C)(CO1)[C@@]2([H])[C@@H]([C@@](C4(C)C)(C[C@H](OC([C@H]5[C@H](C6=CC=CC=C6)N(C(OC(C)(C)C)=O)[C@@H](C7=CC=C(OC)C=C7)O5)=O)C(C)=C4[C@H]3OC)O)OC(C8=CC=CC=C8)=O)=O