乙酰基次氟酸酯

3-dimethylsulfoxyimidyl-5-fluorouridine

3'-(7-carboxyheptanoyl)-5-fluoro-2'-deoxyuridine

2'-deoxy-5-fluoro-5'-O-(1,3-dithian-2-yl)uridine

((2R,3S,5R)-5-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl 3-(aminooxy)propanoate