Erythromycin EP Impurity M

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

Synonym: Dapsone Impurity A ; 4,4'-sulfonylbis(chlorobenzene)

Smile: O=C([C@H](CO)[C@@H](O[C@H]1C[C@@](C)(OC)[C@@H](O)[C@H](C)O1)[C@H](C)[C@@H](O[C@H]2[C@H](O)[C@@H](N(C)C)C[C@@H](C)O2)[C@](C)(O)C[C@H]3C)O[C@H](CC)[C@H](C)[C@H](O)[C@@H](C)C3=O