英文别名ethyl 7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate; 7-Oxo-4,7-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester; Ethyl 7-oxo-4H-pyrazolo[1,5-a]pyrimidine-3-carboxylate; Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 4,7-dihydro-7-oxo-, ethyl ester; 3-ethoxycarbonylpyrazolo<1,5-a>pyrimidin-7-one 
