Synonyms: Erythromycin, octadecanoate (1:1), Erythromycin A Stearate, (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-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-ß-d-xylo-hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione, Erythromycin stearate (6CI,7CI), Erythromycin, octadecanoate (salt) (9CI), Erythromycin, stearate (salt) (8CI), Octadecanoic acid, compd. with erythromycin (1:1) (9CI), Oxacyclotetradecane, erythromycin deriv., Stearic acid, compd. with erythromycin (1:1) (8CI), Abboticine, Bristamycin, Dowmycin E, Eratrex, Erypar, Eryprim, Erythro S, Erythromycin stearic acid salt, Ethril, Ethryn, Gallimycin, Meberyt, OE 7, Pfizer E, SK-Erythromycin, Wemid, Wyamycin S, (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-dideoxy-3-C-methyl-3-O-methyl-alpha-l-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-beta-d-xylo-hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione