1,3-Propanedisulfonic acid, 1-phenyl-3-(p-2-pyridylsulfamoylanilino)-, disodium salt 1-Phenyl-3-(p-2-pyridylsulfamoylanilino)-1,3-propanedisulfonic acid disodium salt 53778-51-1 Disodium 1-phenyl-3-((4-((2-pyridylamino)sulphonyl)phenyl)amino)propane-1,3-disulphonate Disodium 2-(p-(gamma-phenylpropylamino)benzenesulfonamido)pyridine Disodium cinnamylidene bisulfite deriv. of sulfapyridine EINECS 258-761-1 Solupyridine Sulfapyridine neutral soluble