4-OXO-4-[[4-[(PYRIDIN-2-YLAMINO)SULFONYL]PHENYL]AMINO]BUTYRIC ACID, 4-Oxo-4-((4-((2-pyridylamino)sulphonyl)phenyl)amino)butyric acid, N-(4-[2]pyridylsulfamoyl-phenyl)-succinamic acid, N-(4-[2]Pyridylsulfamoyl-phenyl)-succinamidsaeure, EINECS 254-865-6, 4-oxo-4-({4-[(2-pyridylamino)sulfonyl]phenyl}amino)butyric acid