28093-46-1 4-(2,5-Dioxo-3-methyl-3-phenyl-1-pyrrolidinyl)benzenesulfonamide 5-21-11-00210 (Beilstein Handbook Reference) BRN 1551512 Benzenesulfonamide, 4-(2,5-dioxo-3-methyl-3-phenyl-1-pyrrolidinyl)- PB 126