英文同义词: | 3-isobutyl-6-methyl-4-oxo-3,4-dihydrofuro[2,3-d]pyrimidine-5-carboxylic acid;3,4-Dihydro-6-methyl-3-(2-methylpropyl)-4-oxofuro[2,3-d]pyrimidine-5-carboxylic acid;Furo[2,3-d]pyrimidine-5-carboxylic acid, 3,4-dihydro-6-methyl-3-(2-methylpropyl)-4-oxo- |