Synonyms: 2-[({6-[(6-{[4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2h-pyran-2-yl]oxy}-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-4-yl)oxy]-4-methoxy-2,4-dimethyltetrahydro-2h-pyran-3-yl}oxy)carbonyl]benzenesulfonic acid(non-preferred name);ERYTHROMYCIN, O-SULFOBENZOYL DERIV;AC1L5BYF;AC1Q6WTA;o-Sulfobenzoylerythromycin;NSC9162;Erythromycin, o-sulfobenzoyl deriv.;NSC-9162;AR-1D5361;2-[6-[[6-[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-2,10-dioxo-oxacyclotetradec-4-yl]oxy]-4-methoxy-2,4-dimethyloxan-3-yl]oxycarbonylbenzenesulfonic acid