2-Bromo-7-[2-deoxy-3,5-bis-O-(4-methylphenyl)-β-L-erythro-pentofuranosyl]-6-(methylthio)-7H-purine

N-(4-Butylphenyl)-6-chloro-9-[2-deoxy-3,5-bis-O-(4-methylphenyl)-α-L-threo-pentofuranosyl]-9H-purin-2-amine

1-(2-Deoxy-β-L-erythro-pentofuranosyl)-5-phenoxy-2,4(1H,3H)-pyrimidinedione

5-(Cyclohexylmethoxy)-1-(2-deoxy-β-L-erythro-pentofuranosyl)-2,4(1H,3H)-pyrimidinedione

9-[2,3-Dideoxy-3-(hydroxymethyl)-α-D-erythro-pentofuranosyl]-9H-purine

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-deoxy-N-(2-methylbenzoyl)cytidylyl-(3′→5′)-3′-O-[(1H-benzotriazol-1-yloxy)(2-chlorophenoxy)phosphinyl]-2′-deoxy-N-(diphenylacetyl)-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-deoxy-N-(2-methylbenzoyl)cytidylyl-(3′→5′)-P-(2-chlorophenyl)-2′-deoxy-N-(diphenylacetyl)guanylyl-(3′→5′)-P(O)-(2,5-dichlorophenyl)-P-thiothymidylyl-(3′→5′)-P-(2-chlorophenyl)-2′-deoxy-N-(diphenylacetyl)adenylyl-(3′→5′)-P-(2-chlorophenyl)-2′-deoxy-N-(2-methylbenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(diphenylacetyl)-, 3′-benzoate

Guanosine, P(O)-(2,5-dichlorophenyl)-P-thiothymidylyl-(3′→5′)-P-(2-chlorophenyl)-2′-deoxy-N-(diphenylacetyl)adenylyl-(3′→5′)-P-(2-chlorophenyl)-2′-deoxy-N-(2-methylbenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(diphenylacetyl)-, 3′-benzoate

Guanosine, P-(2-chlorophenyl)-2′-deoxy-N-(2-methylbenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(diphenylacetyl)-, 3′-benzoate

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2,5-dichlorophenyl)-P-thiothymidylyl-(3′→5′)-3′-O-[(1H-benzotriazol-1-yloxy)(2-chlorophenoxy)phosphinyl]-2′-deoxy-N-(diphenylacetyl)-

2-(2-Deoxy-2-fluoro-β-D-ribofuranosyl)-1,2,4-triazine-3,5(2H,4H)-dione

9-(3-Amino-2,3-dideoxy-2-fluoro-α-D-ribofuranosyl)-9H-purin-6-amine

Uridine, 2′-O-acetyl-3′-deoxy-5′-O-(1,4-dioxo-4-phenylbutyl)-3′-methyluridylyl-(3′→5′)-2′-O-acetyl-3′-deoxy-3′-methyluridylyl-(3′→5′)-2′,3′-O-(1-methylethylidene)-

9-(3-Azido-2,3-dideoxy-2-fluoro-α-D-ribofuranosyl)-9H-purin-6-amine

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-[O-(4,6-dimethoxy-1,3,5-triazin-2-yl) [P(R)]-P-methylphosphonothioate]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-[O-(4,6-dimethoxy-1,3,5-triazin-2-yl) [P(S)]-P-methylphosphonothioate]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[O-(4,6-dimethoxy-1,3,5-triazin-2-yl) [P(R)]-P-methylphosphonothioate]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[O-(4,6-dimethoxy-1,3,5-triazin-2-yl) [P(S)]-P-methylphosphonothioate]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[O-(4,6-dimethoxy-1,3,5-triazin-2-yl) [P(S)]-P-methylphosphonothioate]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[O-(4,6-dimethoxy-1,3,5-triazin-2-yl) [P(R)]-P-methylphosphonothioate]