3-Bromo-4-(2,5-dioxo-3-methyl-1-pyrrolidinyl)benzenesulfonamide 30279-51-7 5-21-09-00571 (Beilstein Handbook Reference) BRN 1548249 Benzenesulfonamide, 3-bromo-4-(2,5-dioxo-3-methyl-1-pyrrolidinyl)- PB 393