Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-(methylphosphonochloridate)

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-(2-cyanoethyl methylphosphonate)

N-[[2-(4-Nitrophenyl)ethoxy]carbonyl]cytidine

Uridine, 5′-O-[(2-chlorophenoxy)[(4-methoxyphenyl)amino]phosphinyl]-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)uridylyl-(3′→5′)-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)uridylyl-(3′→5′)-2′-O-(tetrahydro-2-furanyl)-

Uridine, 5′-O-[(2-chlorophenoxy)[(4-methoxyphenyl)amino]phosphinyl]-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)uridylyl-(3′→5′)-2′-O-(tetrahydro-2-furanyl)-

Uridine, 2′-O-(tetrahydro-2-furanyl)-, 5′-[2-chlorophenyl (4-methoxyphenyl)phosphoramidate], (R)-

Uridine, N-benzoyl-P-(2-chlorophenyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-(tetrahydro-2-furanyl)cytidylyl-(3′→5′)-N-benzoyl-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)cytidylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-

Cytidine, N-benzoyl-P-(2-chlorophenyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-(tetrahydro-2-furanyl)cytidylyl-(3′→5′)-N-benzoyl-2′-O-(tetrahydro-2-furanyl)-

Guanosine, 3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-

N-Benzoyl-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

(6aR,7aR,13aS,13bR)-6a,7a,13a,13b-Tetrahydro-2,2,4,4-tetrakis(1-methylethyl)-6H,11H-1,3,5,2,4-trioxadisilocino[6′′,7′′:4′,5′]furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-11-one

2′-Azido-2′-deoxy-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine

9-[3,5-O-[1,1,3,3-Tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2-O-[(trifluoromethyl)sulfonyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

9H-Purin-6-amine, 9-[2-S-acetyl-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-2-thio-β-D-arabinofuranosyl]-

9H-Purin-6-amine, 9-[2-O-acetyl-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-

9H-Purin-6-amine, 9-[2-bromo-2-deoxy-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-

9H-Purin-6-amine, 9-[2-deoxy-2-iodo-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-D-arabinofuranosyl]-

Adenosine, 3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-, 2′-(1,1,1-trifluoromethanesulfonate)

Cholan-24-oic acid, 3,7-dihydroxy-, monoanhydride with 5′-adenylic acid, (3α,5β,7α)-

Uridine 5′-(trihydrogen diphosphate), P′-[3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-α-D-mannopyranosyl] ester