N-Nitroso Erythromycin EP Impurity B

Chemical Name: N-((2S,3R,4S,6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-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-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N-methylnitrous amide

Synonym: N-Nitroso-N-Demethyl Erythromycin A; N-Nitroso-N-Desmethyl Erythromycin

Smile: O=NN([C@@H]1[C@@H](O)[C@H](O[C@@H]([C@](C)(O)C[C@H]2C)[C@@H](C)[C@H](O[C@H]3C[C@@](C)(OC)[C@@H](O)[C@H](C)O3)[C@@H](C)C(O[C@H](CC)[C@@](C)(O)[C@H](O)[C@@H](C)C2=O)=O)O[C@H](C)C1)C