Thymidine, P(S)-(2,6-dichlorophenyl)-5′-O-[[3-(1H-imidazol-1-ylmethyl)phenyl]bis(4-methoxyphenyl)methyl]-P-thiothymidylyl-(3′→5′)-, 3′-benzoate

Thymidine, 5′-O-[[3-(1H-imidazol-1-ylmethyl)phenyl]bis(4-methoxyphenyl)methyl]-, 3′-(S-2-naphthalenyl hydrogen phosphorothioate)

Thymidine, 5′-O-[[3-(1H-imidazol-1-ylmethyl)phenyl]bis(4-methoxyphenyl)methyl]-, 3′-(S-1-naphthalenyl hydrogen phosphorothioate)

Thymidine, 5′-O-[[3-(1H-imidazol-1-ylmethyl)phenyl]bis(4-methoxyphenyl)methyl]-, 3′-[S-(2,6-dichlorophenyl) hydrogen phosphorothioate]

Thymidine, 5′-O-[[3-(1H-imidazol-1-ylmethyl)phenyl]bis(4-methoxyphenyl)methyl]-, 3′-(S,S-di-2-naphthalenyl phosphorodithioate)

Thymidine, 5′-O-[[3-(1H-imidazol-1-ylmethyl)phenyl]bis(4-methoxyphenyl)methyl]-, 3′-(S,S-di-1-naphthalenyl phosphorodithioate)

Thymidine, 5′-O-[[3-(1H-imidazol-1-ylmethyl)phenyl]bis(4-methoxyphenyl)methyl]-

5′-Adenylic acid, bis[(acetyloxy)methyl] ester, 2′,3′-dibutanoate

5′-Uridylic acid, 5-azido-

N-Acetyl-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]cytidine

Cytidine, N-acetyl-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(2-nitrophenyl)thio]-

Xanthosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-, 2-[S-(2-nitrophenyl)thiooxime]

Inosine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-, S-(2-nitrophenyl)thiooxime

Uridine, 2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-, 4-[S-(2-nitrophenyl)thiooxime]

Guanylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-uridine

3H-Indolium, 2-[3-[1-[[4-[2-[[2-[[3-[2-[2-[2-[[3-[4-amino-7-[3-O-(azidomethyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-propyn-1-yl]amino]-2-oxoethoxy]ethoxy]-2-azidoethoxy]benzoyl]amino]ethyl]amino]-2-oxoeth..

3H-Indolium, 2-[3-[1-[[4-[2-[[2-[[3-[2-azido-2-[2-[2-[[3-[1-[3-O-(azidomethyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-2-propyn-1-yl]amino]-2-oxoethoxy]ethoxy]ethoxy]benzoyl]amino]ethyl]amino]-2-oxo..

Ethyl (3R,5R)-2-[2,3:5,6-bis-O-(1-methylethylidene)-β-L-gulofuranosyl]-5-(4-isoquinolinyloxy)-3-isoxazolidinecarboxylate

Ethyl (3R,5S)-2-[2,3:5,6-bis-O-(1-methylethylidene)-β-L-gulofuranosyl]-5-(4-isoquinolinyloxy)-3-isoxazolidinecarboxylate

Ethyl (3S,5R)-2-[2,3:5,6-bis-O-(1-methylethylidene)-β-L-gulofuranosyl]-5-(4-isoquinolinyloxy)-3-isoxazolidinecarboxylate