138-41-0 4-Carboxybenzenesulfonamide 4-Sulfamoylbenzoic acid Benzoic acid p-sulfamide Benzoic acid, 4-(aminosulfonyl)- Benzoic acid, p-sulfamoyl- Carzenid Carzenide Dirnate NSC22976 p-Carboxybenzenesulfonamide p-Sulfamoylbenzoic acid p-Sulfamylbenzoic acid p-Sulfonamidobenzoic acid