Synonyms: Benzenesulfonicacid, 4-[(1,3-dioxobutyl)amino]-, monopotassium salt (9CI);PotassiumN-(acetoacetyl)sulfanilate;Potassium 4-acetoacetylaminobenzenesulfonate;Benzenesulfonic acid, 4-((1,3-dioxobutyl)amino)-, monopotassium salt;N-(Acetoacetyl)sulfanilic acid, potassium salt;4-(N-Acetylacetamido)-benzenesulfonic acid potassium salt;4-Acetoacetsulfanilic acid potassium salt;