2′-Deoxy-2′,2′-difluoro-N-(1-oxooctyl)-3′-O-(tetrahydro-2H-pyran-2-yl)cytidine

2′-Deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,2′-difluoro-N-(1-oxooctyl)cytidine

2′-Deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,2′-difluoro-N-(1-oxooctyl)-3′-O-(tetrahydro-2H-pyran-2-yl)cytidine

N-[(4-Methylphenyl)sulfonyl]-1-β-D-ribofuranosyl-1H-1,2,4-triazole-3-carboxamide

2′-Deoxy-2′,2′-difluoro-N-(2-phenoxyacetyl)cytidine

N-[[P(S)]-4′-C-Fluoro-2′-C-methyl-P-phenyl-2′,3′-bis-O-(triethylsilyl)-5′-uridylyl]-L-alanine 1-methylethyl ester

N-[[P(R)]-4′-C-Fluoro-2′-C-methyl-P-phenyl-2′,3′-bis-O-(triethylsilyl)-5′-uridylyl]-L-alanine 1-methylethyl ester

Uridine, 4′-C-fluoro-2′-C-methyl-2′,3′-bis-O-(triethylsilyl)-, 5′-(4-chlorobenzoate)

5′-Deoxy-4′-C-fluoro-5′-iodo-2′-C-methyl-2′,3′-bis-O-(triethylsilyl)uridine

4′-C-Fluoro-2′-C-methyl-2′,3′-bis-O-(triethylsilyl)uridine

β-D-ribo-Heptofuranuronic acid, 1,5,6-trideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-6-(methoxycarbonyl)-2-O-methyl-, methyl ester, 3-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

β-D-ribo-Heptofuranuronic acid, 1,5,6-trideoxy-1-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-6-(methoxycarbonyl)-2-O-methyl-, methyl ester

2-Amino-8-(2-deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)imidazo[1,2-a]-1,3,5-triazin-4(8H)-one

8-(3-O-Acetyl-2-deoxy-β-D-erythro-pentofuranosyl)imidazo[1,2-a]-1,3,5-triazine-2,4(3H,8H)-dione

8-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]imidazo[1,2-a]-1,3,5-triazine-2,4(3H,8H)-dione