Erythromycin Impurity 1

Chemical Name: (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-6-methyl-3-((trimethylsilyl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-10-(((2-ethoxypropan-2-yl)oxy)imino)-14-ethyl-12,13-dihydroxy-7-methoxy-4-(((2R,4R,5S,6S)-4-methoxy-4,6-dimethyl-5-((trimethylsilyl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one

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