4-Nitrobenzenesulfonamide 4-Nitrobenzolesulfamide 6325-93-5 Benzenesulfonamide, 4-nitro- Benzenesulfonamide, p-nitro- NSC31148 WLN: ZSWR DNW p-Nitrobenzenesulfonamide p-Nitrophenylsulfonamide