Erythromycin EP Impurity E

Chemical Name: (2R,3R,4S,5R,8R,9S,10S,11R,12R)-9-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3,4-dihydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-6,15-dioxabicyclo[10.2.1]pentadec-1(14)-en-7-one (as per EP)

Smile: C[C@]1(OC([C@]([C@H]2O)([H])C)=C(C)C1)[C@]([C@H]([C@]([C@H](C(O[C@H](CC)[C@]2(O)C)=O)C)([H])O[C@@](O[C@@H](C)[C@@H]3O)([H])C[C@@]3(C)OC)C)([H])O[C@@](O[C@H](C)C[C@@H]4N(C)C)([H])[C@@H]4O