28103-45-9 4-(2,5-Dioxo-3-(4-chlorophenyl)-3-methyl-1-pyrrolidinyl)benzenesulfonamide BRN 1509517 Benzenesulfonamide, 4-(2,5-dioxo-3-(4-chlorophenyl)-3-methyl-1-pyrrolidinyl)- PB 433