Butaglionamide

1,2-di-(4-sulfamidophenyl)-4-butylpyrazolidine-3,5-dione

4-[4-butyl-3,5-dioxo-2-(4-sulfamoylphenyl)pyrazolidin-1-yl]benzenesulfonamide

4-[4-butyl-3,5-diketo-2-(4-sulfamoylphenyl)pyrazolidin-1-yl]benzenesulfonamide