英文别名:
Ethyl 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate;ethyl 7-oxo-4,7-dihydropyrazolo[1,5-a]pyriMidine-3-carboxylate;ethyl 4,5-dihydro-5-oxopyrazolo[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