2-Hydroxy-5-((4-((2-pyridinylamino)sulfonyl)phenyl)azo)benzoic acid 4-(Pyridyl-2-amidosulfonyl)-3'-carboxy-4'-hydroxyazobenzene 5-((p-(2-Pyridylsulfamoyl)phenyl)azo)salicylic acid 5-(4-(2-Pyridylsulfamoyl)phenylazo)-2-hydroxybenzoic acid 5-(p-(2-Pyridylsulfamyl)phenylazo)salicylic acid 5-22-08-00433 (Beilstein Handbook Reference) 599-79-1 Accucol Asulfidine Azopyrin Azopyrine Azosulfidin Azulfidine BRN 0356241 Benzoic acid, 2-hydroxy-5-((4-((2-pyridinylamino)sulfonyl)phenyl)azo)- Benzosulfa CCRIS 4713 Colo-Pleon EINECS 209-974-3 HSDB 3395 NSC 203730 NSC 667219 Reupirin Rorasul S.A.S. 500 S.A.S.-500 SASP SI-88 SULFASALAZINE Salazo-sulfapyridinum Salazopiridazin Salazopyridin Salazopyrin Salazosulfapiridina [INN-Spanish] Salazosulfapyridin Salazosulfapyridine Salazosulfapyridinum [INN-Latin] Salicylazosulfapyridine Salicylic acid, 5-((p-(2-pyridylsulfamoyl)phenyl)azo)- Salisulf Sas-500 Sulcolon Sulfasalazina [INN-Spanish] Sulfasalazine [USAN:INN] Sulfasalazinum [INN-Latin] Sulphasalazine W-T Sasp Oral