英文同义词: | 5-Oxo-4,5-dihydro-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid ethyl ester;ethyl 5-oxo-4H,5H-pyrazolo[1,5-a]pyrimidine-2-carboxylate;Pyrazolo[1,5-a]pyrimidine-2-carboxylic acid, 4,5-dihydro-5-oxo-, ethyl ester;Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylate |