英文别名ethyl 7-oxo-4H-pyrazolo[1,5-a]pyrimidine-6-carboxylate; ethyl 7-oxo-4H,7H-pyrazolo[1,5-a]pyrimidine-6-carboxylate; Pyrazolo[1,5-a]pyrimidine-6-carboxylic acid, 4,7-dihydro-7-oxo-, ethyl ester; 7-Oxo-6-aethoxycarbonyl-4,7-dihydro-pyrazolo<1,5-a>pyrimidin 
