Paclitaxel EP Impurity L

Chemical Name: 4,7β,10β-tris(acetyloxy)-13α-[[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy]-1-hydroxy-9-oxo-5β,20-epoxytax-11-en-2α-yl benzoate (7-O-acetylpaclitaxel),

Smile: CC(O[C@]([C@H]1C[C@@H]2OC(C)=O)(CO1)[C@]([C@@H]([C@]3(C(C)(C)C4=C(C)[C@@H](OC([C@H](O)[C@H](C5=CC=CC=C5)NC(C6=CC=CC=C6)=O)=O)C3)O)OC(C7=CC=CC=C7)=O)([H])[C@@]2(C([C@@H]4OC(C)=O)=O)C)=O