Thymidine, 5,6-dihydro-5-(phenylseleno)-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[2-[methyl(trifluoroacetyl)amino]ethyl bis(1-methylethyl)phosphoramidite]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[2-[methyl(trifluoroacetyl)amino]ethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-[2-[methyl(trifluoroacetyl)amino]ethyl bis(1-methylethyl)phosphoramidite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-[methyl(trifluoroacetyl)amino]ethyl bis(1-methylethyl)phosphoramidite]

S-[[(2R,3S,5R)-5-[1,6-Dihydro-2-[(2-methyl-1-oxopropyl)amino]-6-oxo-9H-purin-9-yl]-2-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]tetrahydro-3-furanyl]methyl] ethanethioate

S-[[(2R,3S,5R)-5-[6-(Benzoylamino)-9H-purin-9-yl]-2-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]tetrahydro-3-furanyl]methyl] ethanethioate

S-[[(2R,3S,5R)-5-[4-(Benzoylamino)-2-oxo-1(2H)-pyrimidinyl]-2-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]tetrahydro-3-furanyl]methyl] ethanethioate

S-[[(2R,3S,5R)-5-(3,4-Dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-2-[2-[[(1,1-dimethylethyl)diphenylsilyl]oxy]ethyl]tetrahydro-3-furanyl]methyl] ethanethioate

S-[[(2R,3S,5R)-2-[2-[Bis(4-methoxyphenyl)phenylmethoxy]ethyl]-5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-3-furanyl]methyl] ethanethioate

N-[9-[3-[(Acetylthio)methyl]-3,5-dideoxy-6-O-[(1,1-dimethylethyl)diphenylsilyl]-2-O-(1H-imidazol-1-ylthioxomethyl)-β-D-ribo-hexofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

N-[9-[3-[(Acetylthio)methyl]-3,5-dideoxy-6-O-[(1,1-dimethylethyl)diphenylsilyl]-2-O-(1H-imidazol-1-ylthioxomethyl)-β-D-ribo-hexofuranosyl]-9H-purin-6-yl]benzamide

N-[1-[3-[(Acetylthio)methyl]-3,5-dideoxy-6-O-[(1,1-dimethylethyl)diphenylsilyl]-2-O-(1H-imidazol-1-ylthioxomethyl)-β-D-ribo-hexofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

1-[3-[(Acetylthio)methyl]-3,5-dideoxy-6-O-[(1,1-dimethylethyl)diphenylsilyl]-2-O-(1H-imidazol-1-ylthioxomethyl)-β-D-ribo-hexofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[3-[(Acetylthio)methyl]-6-O-[bis(4-methoxyphenyl)phenylmethyl]-3,5-dideoxy-2-O-(1H-imidazol-1-ylthioxomethyl)-β-D-ribo-hexofuranosyl]-2,4(1H,3H)-pyrimidinedione

N-[9-[3-[(Acetylthio)methyl]-3,5-dideoxy-6-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-ribo-hexofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide

N-[1-[3-[(Acetylthio)methyl]-3,5-dideoxy-6-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-ribo-hexofuranosyl]-1,2-dihydro-2-oxo-4-pyrimidinyl]benzamide

1-[3-[(Acetylthio)methyl]-3,5-dideoxy-6-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-ribo-hexofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[3-[(Acetylthio)methyl]-6-O-[bis(4-methoxyphenyl)phenylmethyl]-3,5-dideoxy-β-D-ribo-hexofuranosyl]-2,4(1H,3H)-pyrimidinedione

N-[9-[3,5-Dideoxy-6-O-[(1,1-dimethylethyl)diphenylsilyl]-3-(hydroxymethyl)-β-D-ribo-hexofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide