Erythromycin EP Impurity K

Chemical Name: (3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-4-[(2,6-dideoxy-3-C-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12-dihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione (as per EP)

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