| 英文同义词: | Methyl 7-Methyl-4-oxo-4H-pyrido[1,2-a]thieno[2,3-d]pyriMidine-2-carboxylate, 96%;methyl 12-methyl-2-oxo-6-thia-1,8-diazatricyclo[7.4.0.0^{3,7}]trideca-3(7),4,8,10,12-pentaene-5-carboxylate;4H-Pyrido[1,2-a]thieno[2,3-d]pyrimidine-2-carboxylic acid, 7-methyl-4-oxo-, methyl ester;Methyl 7-methyl-4-oxo-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidine-2-carboxylate |