1H-Pyrazole-3-carboxylicacid,4-[3-(3-carboxy-5-hydroxy-1-phenyl-1H-pyrazol-4-yl)-2-propenylidene]-4,5-dihydro-5-oxo-1-phenyl-(9CI); 2-Pyrazoline-3-carboxylic acid,4-[3-(3-carboxy-5-hydroxy-1-phenylpyrazol-4-yl)allylidene]-5-oxo-1-phenyl-(8CI)
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