英文别名Ethyl 1,5-dihydro-5-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate; Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 1,5-dihydro-5-oxo-, ethyl ester; Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate; ethyl 5-oxo-4H-pyrazolo[1,5-a]pyrimidine-3-carboxylate; ethyl 5-oxo-4H,5H-pyrazolo[1,5-a]pyrimidine-3-carboxylate; 5-oxo-4,5-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester; 5-Hydroxy-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester; ETHYL 5-OXO-1H-PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLATE; Ethyl 5-oxo-1,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate; 5-Oxo-1,5-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester 
