英文别名ethyl 5-oxo-1-phenyl-4,5-dihydro-1H-1,2,4-triazole-3-carboxylate; 1H-1,2,4-Triazole-3-carboxylic acid, 2,5-dihydro-5-oxo-1-phenyl-, ethyl ester; ethyl 3-oxo-2-phenyl-1H-1,2,4-triazole-5-carboxylate; Ethyl 5-oxo-1-phenyl-2,5-dihydro-1H-1,2,4-triazole-3-carboxylate