英文别名4-ethoxycarbonyl-2-methylpyrazole-3-carboxylic acid; 4-ETHYL HYDROGEN 1-METHYL-1H-PYRAZOLE-4,5-DICARBOXYLATE; 1-Methyl-1H-pyrazole-4,5-dicarboxylic acid 4-ethyl ester; 2-methyl-2H-pyrazole-3,4-dicarboxylic acid 4-ethyl ester; 4-Ethoxycarbonyl-2-methyl-pyrazole-3-carboxylic acid 
