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]-5-nitrobenzoate]

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

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]-5-nitrobenzoate]

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

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

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

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

3′-Cytidylic acid, 2′-deoxyadenylyl-(3′→5′)-2′-deoxy-, 3′-[6-[[(2S)-2-amino-3-methyl-1-oxobutyl]amino]hexyl] ester

3′-Cytidylic acid, 2′-deoxyadenylyl-(3′→5′)-2′-deoxy-, 3′-[6-[(D-phenylalanyl-L-valyl)amino]hexyl] ester

3′-Cytidylic acid, 5′-O-benzoyl-2′-deoxyadenylyl-(3′→5′)-N-(3-carboxy-1-oxopropyl)-2′-deoxy-, 3′-(2-cyanoethyl) 3′-[6-[[(2S)-2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-3-methyl-1-oxobutyl]amino]hexyl] ester

3′-Cytidylic acid, 5′-O-benzoyl-2′-deoxyadenylyl-(3′→5′)-N-(3-carboxy-1-oxopropyl)-2′-deoxy-, 3′-(6-aminohexyl) 3′-(2-cyanoethyl) ester

3′-Cytidylic acid, 5′-O-benzoyl-2′-deoxyadenylyl-(3′→5′)-N-(3-carboxy-1-oxopropyl)-2′-deoxy-, 3′-(2-cyanoethyl) 3′-[6-[[(4-methoxyphenyl)diphenylmethyl]amino]hexyl] ester

Cytidine, 5′-O-benzoyl-2′-deoxyadenylyl-(3′→5′)-N-(3-carboxy-1-oxopropyl)-2′-deoxy-

Cytidine, 5′-O-benzoyl-2′-deoxyadenylyl-(3′→5′)-N-(3-carboxy-1-oxopropyl)-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 3′-azido-3′-deoxy-4-O-(pentafluorophenyl)-

Thymidine, 3′-azido-3′-deoxy-4-O-(pentafluorophenyl)-, 5′-acetate

Thymidine, 4-O-(pentafluorophenyl)-, 3′,5′-diacetate

Uridine, 2′-deoxy-4-O-(pentafluorophenyl)-, 3′,5′-diacetate

N-Bicyclo[2.2.1]hept-2-yl-5'-deoxy-5'-fluoroadenosine

Adenosine, N-bicyclo[2.2.1]hept-2-yl-2-chloro-5′-deoxy-5′-fluoro-