Thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenosine

Methyl 1-(3-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-3-[(diphenylamino)carbonyl]-2,3-dihydro-2-oxo-1H-imidazole-4-carboxylate

1-[2-Deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-2,3-dihydro-2-oxo-1H-imidazole-4-carboxamide

2-Amino-9-[2-deoxy-5-O-(hydroxy-4-morpholinylphosphinyl)-β-D-erythro-pentofuranosyl]-7,9-dihydro-8H-purin-8-one

2-Amino-9-(2-deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-7,9-dihydro-8H-purin-8-one

N-[9-(3-O-Acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-8-methoxy-9H-purin-2-yl]benzamide

Inosine, 6-O-1H-benzotriazol-1-yl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

6-O-1H-Benzotriazol-1-yl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyinosine

2′-Deoxy-1-[9-[2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]inosine

O-[9-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-N-[(1,1-dimethylethoxy)carbonyl]-L-tyrosine methyl ester

6,6′-O-1,4-Phenylenebis[2′-deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]inosine]

2′,3′,5′-Tris-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(4-methylphenyl)adenosine

2′,3′,5′-Tris-O-[(1,1-dimethylethyl)dimethylsilyl]-6-S-(phenylmethyl)-6-thioinosine

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-S-(phenylmethyl)-6-thioinosine

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(phenylmethyl)adenosine

9-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-6-(4-morpholinyl)-9H-purine

2′,3′,5′-Tris-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-8-quinolinylinosine

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-8-quinolinylinosine

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-9H-fluoren-2-ylinosine

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-O-1-naphthalenylinosine