5-(5-Azido-1-pentyn-1-yl)-2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]uridine

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[3-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]-1-propyn-1-yl]uridine

5′-Uridylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-[3-[1-[3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]propyl]-2′-deoxy-, mono(2-chlorophenyl) ester, intralmol. 3′,5′′′-ester

5′-Uridylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-[3-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]propyl]-, mono(2-chlorophenyl) ester, intralmol. 3′,5′′′-ester

3′-Uridylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-5-[2-[1-[3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]ethyl]-2′-deoxy-, mono(2-chlorophenyl) ester, intramol. 3′, 5′′′-ester

5′-O-Ethyl-2′,3′-O-(1-methylethylidene)adenosine

5′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-α-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-, mono(2-chlorophenyl) ester, intralmol. 3′,5′′′-ester

Adenosine, 2′,3′-di-O-methyl-, 5′-butanoate

2′,3′-O-(1-Methylethylidene)-5′-O-octyladenosine

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-α-[1-[3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-, mono(2-chlorophenyl) ester, intramol. 3′, 5′′′-ester

Adenosine, 2′,3′-O-(1-methylethylidene)-, 5′-octanoate

Adenosine, 2′,3′-O-(1-methylethylidene)-, 5′-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanoate]

Adenosine, 2′,3′-O-(1-methylethylidene)-, 5′-butanoate

Thymidine, 5′-azido-5′-deoxy-, 3′-(3,3-dimethylbutanoate)

Thymidine, 5′-azido-5′-deoxy-, 3′-benzoate

Thymidine, 5′-azido-5′-deoxy-, 3′-octanoate

Thymidine, 5′-azido-5′-deoxy-, 3′-heptanoate

Thymidine, 5′-azido-5′-deoxy-, 3′-(2-methylpropanoate)

Thymidine, 5′-azido-5′-deoxy-, 3′-hexanoate

Thymidine, 5′-azido-5′-deoxy-, 3′-pentanoate