Adenosine, P-(2-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)uridylyl-(3′→5′)-P-(2-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)uridylyl-(3′→5′)-N-benzoyl-2′,3′-O-(methoxymethylene)-

Uridine, P-(2-chlorophenyl)-2′-O-(tetrahydro-2H-pyran-2-yl)uridylyl-(3′→5′)-2′-O-(tetrahydro-2H-pyran-2-yl)-

Uridine, P-(2-chlorophenyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-(tetrahydro-2H-pyran-2-yl)uridylyl-(3′→5′)-2′-O-(tetrahydro-2H-pyran-2-yl)-2-thio-

Uridine, P-(2-chlorophenyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-(tetrahydro-2H-pyran-2-yl)uridylyl-(3′→5′)-5-[[methyl(trifluoroacetyl)amino]methyl]-2′-O-(tetrahydro-2H-pyran-2-yl)-2-thio-

5-Methyl-1-[(1R,2R,4R,5S)-1-(phenylmethoxy)-2-[(phenylmethoxy)methyl]-3,6-dioxabicyclo[3.2.0]hept-4-yl]-2,4(1H,3H)-pyrimidinedione

1-[3-C-Ethenyl-3,5-bis-O-(phenylmethyl)-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Uridine, 3′-C-ethenyl-5-methyl-3′,5′-bis-O-(phenylmethyl)-, 2′-methanesulfonate

Uridine, 3′-C-ethenyl-5-methyl-3′,5′-bis-O-(phenylmethyl)-, 2′-acetate

2,4(1H,3H)-Pyrimidinedione, 1-[3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O,3-C-methylene-β-D-arabinofuranosyl]-5-methyl-

1-[(1R,2R,4R,5S)-1-Hydroxy-2-(hydroxymethyl)-3,6-dioxabicyclo[3.2.0]hept-4-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[3-C-(Hydroxymethyl)-3,5-bis-O-(phenylmethyl)-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Uridine, 3′-C-ethenyl-5-methyl-3′,5′-bis-O-(phenylmethyl)-

N-[[[9-[5-O-[(1,1-Dimethylethyl)dimethylsilyl]-2,3-O-(methoxymethylene)-β-D-ribofuranosyl]-9H-purin-6-yl]amino]carbonyl]-O-(tetrahydro-2H-pyran-2-yl)-L-threonine methyl ester

N-[[[9-[2,3-O-(Methoxymethylene)-β-D-ribofuranosyl]-9H-purin-6-yl]amino]carbonyl]-O-(tetrahydro-2H-pyran-2-yl)-L-threonine methyl ester

N-[[[9-[5-O-[(1,1-Dimethylethyl)dimethylsilyl]-2,3-O-(methoxymethylene)-β-D-ribofuranosyl]-9H-purin-6-yl]amino]carbonyl]-L-threonine methyl ester

Adenosine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(methoxymethylene)-N-(phenoxycarbonyl)-

Adenosine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(methoxymethylene)-

Adenosine, N-benzoyl-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′,3′-O-(methoxymethylene)-

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[(2R,4aR,5aR,8aR,8bS)-hexahydro-7,7-dimethyl-3-(1-methylethyl)-2-sulfido-2H-[1,3]dioxolo[4,5]furo[2,3-e]-1,3,2-oxazaphosphorin-2-yl]-

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[(2S,4aR,5aR,8aR,8bS)-hexahydro-7,7-dimethyl-3-(1-methylethyl)-2H-[1,3]dioxolo[4,5]furo[2,3-e]-1,3,2-oxazaphosphorin-2-yl]-