英文别名1H-Pyrazole-3-Carboxylicacid,4,5-Dihydro-5-Oxo-1-(4-Sulfophenyl)-,3-Ethylester,Sodiumsalt; Tartrazine Impurity 3; Sodium 4-(3-(Ethoxycarbonyl)-5-oxo-2,5-Dihydro-1H-Pyrazol-1-yl)Benzenesulfonate; sodium 4-(3-(ethoxycarbonyl)-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonate; 4-(3-(ethoxycarbonyl)-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid; Pyrazolone S Sodium; 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, 3-ethyl ester, sodium salt (1:1); 2-Pyrazoline-3-carboxylic acid, 5-oxo-1-(p-sulfophenyl)-, 3-ethyl ester, sodium salt (8CI); 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-, 3-ethyl ester, sodium salt (9CI) 
