30279-50-6 4-(2,5-Dioxo-3-methyl-1-pyrrolidinyl)-3-fluorobenzenesulfonamide 5-21-09-00571 (Beilstein Handbook Reference) BRN 1548247 Benzenesulfonamide, 4-(2,5-dioxo-3-methyl-1-pyrrolidinyl)-3-fluoro- PB 390