Dirithromycin EP Impurity C

Chemical Name: (9S)-9,11-[imino[(1RS)-2-(2-methoxyethoxy)ethylidene]oxy]-9-deoxo-11,12-dideoxyerythromycin 

Synonym: Dirithromycin B

Smile: C[C@H]1O[C@@H](O[C@@]([C@](C)([H])[C@@](O[C@@H]2O[C@@H](C)[C@H](O)[C@](C)(OC)C2)([H])[C@@]3([H])C)([H])[C@](C)(O)C[C@@]([H])(C)[C@]([H])(N[C@@]([H])(COCCOC)O4)[C@]([H])(C)[C@]4([H])[C@@]([H])(C)[C@](CC)([H])OC3=O)[C@H](O)[C@@H](N(C)C)C1