2'-Deoxyguanylyl-(3'→5')-2'-deoxy-5-methylcytidylyl-(3'→5')-2'-deoxyguanylyl-(3'→5')-2'-deoxy-5-methylcytidine

5-[7-(Butylamino)-7-oxo-1-heptyn-1-yl]-2'-deoxyuridine

1-β-D-Ribofuranosyl-1H-benzimidazole-2-acetonitrile

5'-[4-[[4-[4-[(5S)-5-[(Acetylamino)methyl]-2-oxo-3-oxazolidinyl]-2-fluorophenyl]-1-piperazinyl]carbonyl]-1H-1,2,3-triazol-1-yl]-5'-deoxyuridine

Adenosine, N-(1,3-dimethylbutyl)-2',3'-O-(1-methylethylidene)-, 5'-sulfamate

5'-O-Phosphonoguanylyl-(3'→5')-5'-thioguanosine

3',5'-O-[Bis(1,1-dimethylethyl)silylene]-2'-deoxy-5-iodocytidine

Glycine, N-[2-[(2-cyclohexylethyl)amino]ethyl]-N-[(1,1-dimethylethoxy)carbonyl]-, 5'-ester with 5-bromo-2'-deoxyuridine

5-[1-[2-(Acetylamino)-2-deoxy-β-D-glucopyranosyl]-1H-1,2,3-triazol-4-yl]-2'-deoxyuridine

Glycine, N-[2-(ethylamino)ethyl]-, 5'-ester with 5-bromo-2'-deoxyuridine

Glycine, N-[2-[[(1,1-dimethylethoxy)carbonyl]ethylamino]ethyl]-, 5'-ester with 5-bromo-2'-deoxyuridine

Glycine, N-[2-[(2-cyclohexylethyl)amino]ethyl]-, 5'-ester with 5-bromo-2'-deoxyuridine

1-[(5E)-5,6,7-Trideoxy-7-[(2,3-dihydroxy-5-nitrobenzoyl)amino]-β-D-ribo-hept-5-enofuranosyl]-1H-benzimidazole

1-[(5E)-2,3-Di-O-acetyl-5,6,7-trideoxy-7-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-β-D-ribo-hept-5-enofuranosyl]-1H-benzimidazole

3'-[4-(3-Azidopropyl)-1H-1,2,3-triazol-1-yl]-2',3'-dideoxyuridine

3'-[4-(2-Azidoethyl)-1H-1,2,3-triazol-1-yl]-2',3'-dideoxyuridine

3'-[4-(Azidomethyl)-1H-1,2,3-triazol-1-yl]-2',3'-dideoxyuridine

6-S-Cyclohexyl-6-thioguanosine

6-S-Cyclopentyl-6-thioguanosine

3'-[4-(3-Azidopropyl)-1H-1,2,3-triazol-1-yl]-2',3'-dideoxycytidine