英文同义名:
2,3-dihydro-1-Methyl-3-oxo-1H-Pyrazole-4-carboxylic acid ethyl ester; 3-Hydroxy-1-methylpyrazole-4-carboxylic acid ethyl ester; 4-Ethoxycarbonyl-3-hydroxy-1-methylpyrazole; Ethyl 3-hydroxy-1-methyl-1H-pyrazole-4-carboxylate; Ethyl 1-Methyl-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate;