9-[2-Deoxy-5-O-[(1,1-dimethylethyl)diphenylsilyl]-3-O-(hydroxyphosphinyl)-β-D-erythro-pentofuranosyl]-6-[2-(trimethylsilyl)ethenyl]-9H-purin-2-amine

Guanosine, P-(2-cyanoethyl)thymidylyl-(3′→5′)-2′,6-dideoxy-6-ethenyl-, 3′-acetate

Guanosine, N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2H-pyran-2-yl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite] 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate]

Adenosine, N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite] 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate]

Cytidine, N-(4-methoxybenzoyl)-2′-O-(tetrahydro-2H-pyran-2-yl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite] 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate]

Uridine, 2′-O-(tetrahydro-2H-pyran-2-yl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite] 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate]

Thymidine, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite] 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate]

Guanosine, N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2H-pyran-2-yl)-, 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate] 3′-(hydrogen butanedioate)

Uridine, 2′-O-(tetrahydro-2H-pyran-2-yl)-, 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate] 3′-(hydrogen butanedioate)

Thymidine, 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate] 3′-(hydrogen butanedioate)

Guanosine, N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2H-pyran-2-yl)-, 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate]

Adenosine, N-benzoyl-2′-O-(tetrahydro-2H-pyran-2-yl)-, 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate]

Cytidine, N-(4-methoxybenzoyl)-2′-O-(tetrahydro-2H-pyran-2-yl)-, 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate]

Uridine, 2′-O-(tetrahydro-2H-pyran-2-yl)-, 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate]

Thymidine, 5′-[2-[[(1,4-dioxopentyl)oxy]methyl]benzoate]

Guanosine, uridylyl-(3′→5′)-cytidylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-

Adenosine, 2-amino-, 5′-(dihydrogen phosphorothioate)

5-Pyrimidinecarboxylic acid, 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-[1,4-dioxo-4-(pentachlorophenoxy)butyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-, methyl ester

5-Pyrimidinecarboxylic acid, 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-(3-carboxy-1-oxopropyl)-2-deoxy-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-, 5-methyl ester

Thymidine, α-[[6-[[(9,10-dihydro-9,10-dioxo-2-anthracenyl)carbonyl]amino]hexyl]amino]-α-oxo-