5-fluoro-1,3-diazinane-2,4-dione 5-fluorohexahydropyrimidine-2,4-dione 5-fluoro-5,6-dihydrouracil 696-06-0 (R)-5-Fluoro-5,6-dihydrouracil 2,4(1H,3H)-Pyrimidinedione, 5-fluorodihydro- 5,6-Dihydrofluorouracil 5-fluorodihydrouracil DHFU