英文别名1H-Pyrazole-3-carboxylic acid, 5-hydroxy-1-phenyl-, ethyl ester; Ethyl 5-oxo-1-phenyl-2,5-dihydro-1H-pyrazole-3-carboxylate; 5-hydroxyl-1-phenyl-1H-pyrazole-3-ethyl carboxylate; ethyl 3-oxo-2-phenyl-1H-pyrazole-5-carboxylate; 3-ethoxycarbonyl-5-hydroxy-1-phenylpyrazole; 5-hydroxy-1-phenyl-1H-pyrazole-3-carboxylic acid ethyl ester; 5-oxo-1-phenyl-2,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester; 1-phenyl-3-carbethoxy-5-pyrazolone 
