Synonyms: N-Demethylerythromycin A, Erythromycin Imp. B (EP), Erythromycin, N-demethyl- (6CI,7CI,8CI,9CI), Oxacyclotetradecane, erythromycin deriv., Des-N-methylerythromycin, Desmethylerythromycin, 3”-N-Demethylerythromycin A, (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-methylamino-β-D-xylohexopyranosyl)oxy]oxacyclotetradecane-2,10-dione
