| 英文同义词: | 5-methyl-4-oxo-2-sulfanyl-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylic acid;5-Methyl-4-oxo-2-thioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylic acid;Thieno[2,3-d]pyrimidine-6-carboxylic acid, 1,2,3,4-tetrahydro-5-methyl-4-oxo-2-thioxo- |