1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-2-[[3-(2-furanyl)-1-oxopropyl]amino]-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-[[3-(2-furanyl)-1-oxopropyl]amino]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Guanosine, 2′-deoxy-P-methyladenylyl-(3′→5′)-P-methylthymidylyl-(3′→5′)-2′-deoxy-

3′-Cytidylic acid, N-benzoyl-2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, bis(2-chlorophenyl) ester

1-(2-Deoxy-2-fluoro-β-L-ribofuranosyl)-5-ethyl-2,4(1H,3H)-pyrimidinedione

4-Amino-1-(2-deoxy-2-fluoro-β-L-ribofuranosyl)-5-fluoro-2(1H)-pyrimidinone

4-Amino-1-(2-deoxy-2-fluoro-β-L-ribofuranosyl)-5-methyl-2(1H)-pyrimidinone

1-(3,5-Di-O-acetyl-2-deoxy-2-fluoro-β-L-ribofuranosyl)-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-(3,5-Di-O-acetyl-2-deoxy-2-fluoro-β-L-ribofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-2-fluoro-β-L-ribofuranosyl)-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-2-fluoro-β-L-ribofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

(2S,3S,3aR,9aS)-7-Fluoro-2,3,3a,9a-tetrahydro-3-hydroxy-2-(hydroxymethyl)-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one

1-(2-O-Acetyl-3,5-di-O-benzoyl-β-L-ribofuranosyl)-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-(2-O-Acetyl-3,5-di-O-benzoyl-β-L-ribofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

4-Amino-5-chloro-1-(2-deoxy-2-fluoro-β-L-ribofuranosyl)-2(1H)-pyrimidinone

4-Amino-1-(2-deoxy-2-fluoro-β-L-ribofuranosyl)-5-iodo-2(1H)-pyrimidinone

4-Amino-5-bromo-1-(2-deoxy-2-fluoro-β-L-ribofuranosyl)-2(1H)-pyrimidinone

5-Bromo-1-(2-deoxy-2-fluoro-β-L-ribofuranosyl)-2,4(1H,3H)-pyrimidinedione

5-Chloro-1-(2-deoxy-2-fluoro-β-L-ribofuranosyl)-2,4(1H,3H)-pyrimidinedione

(2S,3S,3aR,9aS)-2,3,3a,9a-Tetrahydro-3-[(tetrahydro-2H-pyran-2-yl)oxy]-2-[[(tetrahydro-2H-pyran-2-yl)oxy]methyl]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one