| 英文同义词: | 1,6,7,8,9,9a-Hexahydro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester;4-Oxo-1,6,7,8,9,9a-hexahydro-4H-pyrido[1,2-a]pyrimidine-3-carboxylic acid ethyl ester;4H-Pyrido[1,2-a]pyrimidine-3-carboxylic acid, 1,6,7,8,9,9a-hexahydro-4-oxo-, ethyl ester |