| 英文名称: | | 5)pyrido(1,2-a)pyrimidine-3-carboxylic acid, 4,7,8,9-tetrahydro-4-cyclopenta( | | 3-carbethoxy-4-oxo-4,5,8,9-tetrahydropyrimidino(1,2-b)-7h-2-pyridine | | 4,7,8,9-tetrahydro-4-oxocyclopenta(4,5)pyrido(1,2-a)pyrimidine-3-carboxy lic | | 5)pyrido(1,2-a)pyrimidine-3-carboxylicacid, 4,7,8,9-tetrahydro-4-oxo-cyclopenta( ethyl ester |
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