4-11-00-00193 (Beilstein Handbook Reference) 4-NITROBENZENESULFONAMIDE 4-Nitrobenzenesulphonamide 4-Nitrobenzolesulfamide 6325-93-5 BRN 2214218 Benzenesulfonamide, 4-nitro- Benzenesulfonamide, p-nitro- EINECS 228-691-6 NSC 31148 p-Nitrobenzenesulfonamide p-Nitrophenylsulfonamide