Erythromycin EP Impurity J

Chemical Name: (1RS,2R,3R,6R,7S,8S,9R,10R,12R)-7-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-1-hydroxy-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-4,13-dioxabicyclo[8.2.1]tridecan-5-one (as per EP)

Smile: C[C@H]([C@H]([C@](O)(C[C@H](/C1=N\O)C)C)O[C@@](O[C@H](C)C[C@@H]2N(C)C)([H])[C@@H]2O)[C@]([C@H](C(O[C@@H]([C@@](O)([C@H](O)[C@H]1C)C)CC)=O)C)([H])O[C@@](O[C@@H](C)[C@@H]3O)([H])C[C@@]3(C)OC