abstract |
(57) [Summary] (Modified) [Structure] Expression 2 ′, 3′-dideoxy-5-trifluoromethyluridines, wherein R 1 is hydrogen, a protective group for a hydroxyl group, an acyl group up to C 18 or the like, or a residue of phosphoric acid or phosphonic acid. [Effect] It is useful as a drug, especially for hepatitis. |