Synonyms: Roxithromycin, Erythromycin 9-(E)-[O-[(2-methoxyethoxy)methyl]oxime], (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-l-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-10-[(E)-[(2-methoxyethoxy)methoxy]imino]-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-d-xylo-hexopyranosyl]oxy]oxacyclotetradecan-2-one
