英文别名
3-Cyano-4-ethoxycarbonyl-1,2-dihydro-2-oxo-6-pyridinecarboxylic-acid;4-Ethoxycarbonyl-3-cyan-1H-pyridion-(2)-carbonsaeure-(6);4-Ethoxycarbonyl-3-cyan-pyridon-(2)-carbonsaeure-(6);5-cyano-6-oxo-1,6-dihydro-pyridine-2,4-dicarboxylic acid 4-ethyl ester;5-Cyano-4-(ethoxycarbonyl)-6-oxo-1,6-dihydropyridine-2-carboxylic acid;5-cyano-4-ethoxycarbonyl-6-oxo-1H-pyridine-2-carboxylic acid