p-carboxybenzenesulfonic acid potassium salt, 4-sulfo-benzoicacimonopotassiumsalt, potassium p-carboxybenzenesulfonate, POTASSIUM P-SULFOBENZOIC ACID, Monopotassium p-sulfobenzoate, 4-carboxybenzenesulfonic acid monopotassium salt, 4-Sulfobenzoic acid potassium salt, Potassium 4-carboxybenzenesulfonate, 4-Sulfobenzoic acid,pottasium salt, 4-Sulfobenzoic acid monopotassium salt, P-SULFOBENZOIC ACID POTASSIUM SALT, Monopotassium 4-sulfobenzoate, Potassium 4-sulfobenzoate