| 英文同义词: | ethyl 5-methyl-4-oxo-2-(trichloromethyl)-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate;Thieno[2,3-d]pyrimidine-6-carboxylic acid, 1,4-dihydro-5-methyl-4-oxo-2-(trichloromethyl)-, ethyl ester;Ethyl 5-methyl-4-oxo-2-(trichloromethyl)-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate |