Erythromycin EP Impurity D

Chemical Name: (1S,2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-9-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-5-ethyl-3-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-6,15,16-trioxatricyclo[10.2.1.11,4]hexadecan-7-one (as per EP)

Smile: C[C@H]([C@H]1O)[C@]2(O[C@@]1([C@H](OC3=O)CC)C)O[C@](C)([C@@H]([C@H]([C@H](O[C@@](O[C@@H](C)[C@@H]4O)([H])C[C@@]4(C)OC)[C@H]3C)C)O[C@@](O[C@H](C)C[C@@H]5N(C)C)([H])[C@@H]5O)C[C@H]2C