Erythromycin Impurity 3

Chemical Name: (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R)-10-(dimethylamino)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one

Smile: O=C1O[C@H](CC)[C@@](C)(O)[C@H](O)[C@@H](C)C(N(C)C)[C@H](C)C[C@@](C)(O)[C@H](O[C@H]2[C@H](O)[C@@H](N(C)C)C[C@@H](C)O2)[C@@H](C)[C@H](O[C@H]3C[C@@](C)(OC)[C@@H](O)[C@H](C)O3)[C@H]1C