英文别名:
4-Ethyl hydrogen 1-methyl-1h-pyrazole-4,5-dicarboxylate , 97%;4-(Ethoxycarbonyl)-1-Methyl-1H-pyrazole-5-carboxylic acid;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;1H-Pyrazole-4,5-dicarboxylic acid, 1-methyl-, 4-ethyl ester;-Ethyl hydrogen 1-methyl-1h-pyrazole-4,5-dicarboxylate