英文同义词: | 1-Cyclopropyl-2-mercapto-7-methyl-4-oxo-1,4-dihydropyrido[2,3-d]pyrimidine-5-carboxylic acid;1-Cyclopropyl-7-methyl-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-5-carboxylic acid;Pyrido[2,3-d]pyrimidine-5-carboxylic acid, 1-cyclopropyl-1,2,3,4-tetrahydro-7-methyl-4-oxo-2-thioxo- |