4-(carbomethoxyphenyl)sulfonamide, methyl 4-(aminosulfonyl)benzoate, 4-(Aminosulfonyl)benzoic acid methyl ester, Benzoic acid,4-(aminosulfonyl)-,methyl ester, Methyl p-sulfamylbenzoate, 4-(methoxycarbonyl)benzenesulfonamide, 4-sulfamoylbenzoic acid methyl ester, Methyl 4-sulphamoylbenzoate