Spiramycin EP Impurity H

Chemical Name: (4R,5S,6S,7R,9R,10R,11E,13E,16R)-6-[[3,6-dideoxy-3-(dimethylamino)-β-d-glucopyranosyl]oxy]-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-10-[[2,3,4,6-tetradeoxy-4-(dimethylamino)-β-d-erythro-hexopyranosyl]oxy]oxacyclohexadeca-11,13-dien-4-yl propanoatate (neospiramycin III)

Smile: O=C1O[C@]([H])(C)C/C=C/C=C/[C@@](O[C@]2([H])O[C@@](C)([H])[C@@]([H])(N(C)C)CC2)([H])[C@]([H])(C)C[C@@](CC([H])=O)([H])[C@@](O[C@@H]3O[C@H](C)[C@@H](O)[C@H](N(C)C)[C@H]3O)([H])[C@@]([H])(OC)[C@@](OC(CC)=O)([H])C1