1-[4-C-(Azidomethyl)-2-deoxy-2-fluoro-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[4-C-(Bromomethyl)-2-deoxy-2-fluoro-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

4-Amino-1-[2-deoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-4-C-(1-methylethyl)-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[2-deoxy-4-C-ethyl-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[2-deoxy-4-C-ethenyl-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[4-C-(bromomethyl)-2-deoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

1-[4-C-(Chloromethyl)-2-deoxy-2-fluoro-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

4-Amino-1-[4-C-(azidomethyl)-2-fluoro-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

(3S,5R)-5-(3,4-Dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]dihydro-2,2(3H)-furandicarboxaldehyde

4-Amino-1-[2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-4-C-1,2-propadien-1-yl-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

1-[2-Deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-4-C-1,2-propadien-1-yl-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

4-Amino-1-[2-deoxy-2-fluoro-4-C-(1-methylethyl)-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

1-[2-Deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-4-C-(1-methylethyl)-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[(5ξ)-2,6-Dideoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-2-fluoro-α-L-xylo-hexofuranosyl]-2,4(1H,3H)-pyrimidinedione

4-Amino-1-(2-deoxy-4-C-ethyl-2-fluoro-β-D-arabinofuranosyl)-2(1H)-pyrimidinone

4-Amino-1-[2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(1,1-dimethylethyl)diphenylsilyl]-4-C-ethyl-2-fluoro-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-4-C-(1-methylethyl)-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

1-[2-Deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(1,1-dimethylethyl)diphenylsilyl]-4-C-ethyl-2-fluoro-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

4-Amino-1-[2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(1,1-dimethylethyl)diphenylsilyl]-4-C-ethenyl-2-fluoro-β-D-arabinofuranosyl]-2(1H)-pyrimidinone

1-[4-C-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(1,1-dimethylethyl)diphenylsilyl]-2-fluoro-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione