2-Furancarboxylic acid, 2-[9-[N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamidosyl]-9H-purin-6-yl]hydrazide

3-Pyridinecarboxylic acid, 2-[9-[N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamidosyl]-9H-purin-6-yl]hydrazide

4-Chlorobenzoic acid 2-[9-[N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamidosyl]-9H-purin-6-yl]hydrazide

Benzoic acid, 2-[9-[N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamidosyl]-9H-purin-6-yl]hydrazide

1-(2-Chloro-6-iodo-9H-purin-9-yl)-1-deoxy-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

1-Deoxy-N-ethyl-1-(6-iodo-9H-purin-9-yl)-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)diphenylsilyl]-2′,2′-difluorocytidine

3′-Uridylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3-[(4-methoxyphenyl)methyl]-2′-O-[(4-methoxyphenyl)methyl]-, mono(5-chloro-8-quinolinyl) ester

Uridine, 3-[(2-methoxyethoxy)methyl]-2′-O-(tetrahydro-2H-pyran-2-yl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Uridine, N-benzoyl-P-[2-(dimethylamino)phenyl]-2′-O-[(4-methoxyphenyl)methyl]adenylyl-(3′→5′)-, 2′,3′-dibenzoate

Uridine, N-benzoyl-2′-O-[(4-methoxyphenyl)methyl]adenylyl-(3′→5′)-, 2′,3′-dibenzoate

Uridine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-[4-chloro-2-(dimethylamino)phenyl]-2′-O-[(4-methoxyphenyl)methyl]adenylyl-(3′→5′)-, 2′,3′-dibenzoate

Uridine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-[2-(dimethylamino)phenyl]-2′-O-[(4-methoxyphenyl)methyl]adenylyl-(3′→5′)-, 2′,3′-dibenzoate

3′-Adenylic acid, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(4-methoxyphenyl)methyl]-, mono[2-(dimethylamino)phenyl] ester

8-Bromo-2′-deoxyadenosine 5′-(tetrahydrogen triphosphate)

9-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-6-methyl-9H-purine

1-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1H-imidazo[4,5-c]pyridine

1-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1H-benzimidazol-4-amine

N-[3-(2-Deoxy-β-D-erythro-pentofuranosyl)-3H-imidazo[4,5-b]pyridin-7-yl]acetamide

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5-[3-[[(2S)-1-oxo-2-[(1-pyrenylcarbonyl)amino]-6-[(2,2,2-trifluoroacetyl)amino]hexyl]amino]-1-propyn-1-yl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]