4'-Sulfanilylsuccinalic acid 4'-Sulfanilylsuccinanilic acid 4-((4-((4-Aminophenyl)sulphonyl)phenyl)amino)-4-oxobutyric acid 4-13-00-01370 (Beilstein Handbook Reference) 5934-14-5 BRN 3458725 Butanoic acid, 4-((4-((4-aminophenyl)sulfonyl)phenyl)amino)-4-oxo- EINECS 227-684-5 Exosulfonyl F 1500 N-(4-Aminophenylsulfonylphenyl)succinamidsaeure Succinalic acid, 4'-sulfanilyl- Succinylsulfone Succisulfona Succisulfone Succisulfone [DCF:INN] Succisulfonum