1,2-Di-(4-sulfamidophenyl)-4-butylpyrazolidine-3,5-dione 2603-23-8 4,4'-(4-Butyl-3,5-dioxo-1,2-pyrazolidinediyl)bisbenzenesulfonamide 5-24-05-00408 (Beilstein Handbook Reference) 54991-06-9 BRN 0733524 Benzenesulfonamide, 4,4'-(4-butyl-3,5-dioxo-1,2-pyrazolidinediyl)bis- Butaglionamide Butaglyonamide