Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl]-P-deoxothymidylyl-(3′→5′)-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl]-P-deoxo-2′-deoxycytidylyl-(3′→5′)-N-benzoyl-2′-deoxy-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-dimethylpropyl]-P-deoxothymidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P(O)-[1-(cyanomethyl)-2,2-dimethylpropyl]-P-deoxo-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl 1H-imidazol-1-ylphosphonite]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl 1H-imidazol-1-ylphosphonite]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[1-(cyanomethyl)-2,2-diethyl-4-pentenyl 1H-imidazol-1-ylphosphonite]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[1-(cyanomethyl)-2,2-dimethylpropyl 1H-imidazol-1-ylphosphonite]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[1-(cyanomethyl)-2,2-dimethylpropyl 1H-imidazol-1-ylphosphonite]

5-β-D-Ribofuranosyl-1H-pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione

5-Amino-β-oxo-1-β-D-ribofuranosyl-1H-imidazole-4-propanenitrile

3-[5-O-[(1,1-Dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4,5-dihydro-7-hydroxy-5-oxo-3H-imidazo[4,5-b]pyridine-6-carbonitrile

Carbamic acid, [4-[[[(1,1-dimethylethoxy)carbonyl]amino]carbonyl]-1-[5-O-[(1,1-dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-imidazol-5-yl]-, 1,1-dimethylethyl ester

Carbamic acid, [4-(cyanoacetyl)-1-[5-O-[(1,1-dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-imidazol-5-yl]-, 1,1-dimethylethyl ester

Carbamic acid, [1-[5-O-[(1,1-dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-[[(phenylmethyl)amino]carbonyl]-1H-imidazol-5-yl]-, 1,1-dimethylethyl ester

Methyl 5-[[(1,1-dimethylethoxy)carbonyl]amino]-1-[5-O-[(1,1-dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-imidazole-4-carboxylate

1H-Purine-1,3(2H)-dicarboxylic acid, 9-[5-O-[(1,1-dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-6,9-dihydro-2,6-dioxo-, bis(1,1-dimethylethyl) ester

Imidodicarbonic acid, [4-[[bis[(1,1-dimethylethoxy)carbonyl]amino]carbonyl]-1-[5-O-[(1,1-dimethylethyl)dimethylsilyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-imidazol-5-yl]-, bis(1,1-dimethylethyl) ester

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4′-C-[2-[[[[(3β)-cholest-5-en-3-yl]oxy]carbonyl]amino]ethyl]-, 3′-(hydrogen butanedioate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-4′-C-[2-[[(9Z)-1-oxo-9-octadecenyl]amino]ethyl]-, 3′-(hydrogen butanedioate)