Synonyms: EINECS 278-491-8;AC1O4E2V;AC1Q746Z;4-(3-(3-Carboxy-5-hydroxy-1-(2,2,2-trifluoroethyl)-1H-pyrazol-4-yl)allylidene)-4,5-dihydro-5-oxo-1-(2,2,2-trifluoroethyl)-1H-pyrazole-3-carboxylic acid;76552-35-7;(4Z)-4-[(E)-3-[3-carboxy-5-oxo-1-(2,2,2-trifluoroethyl)-2H-pyrazol-4-yl]prop-2-enylidene]-5-oxo-1-(2,2,2-trifluoroethyl)pyrazole-3-carboxylic acid;(4Z)-4-[(E)-3-[5-carboxy-3-oxo-2-(2,2,2-trifluoroethyl)-1H-pyrazol-4-yl]prop-2-enylidene]-5-oxo-1-(2,2,2-trifluoroethyl)pyrazole-3-carboxylic acid