5-[2-[4-[2-[4-[2-[2,5-Bis(pentyloxy)-4-[2-[4-[[2-(4-pyridinyl)ethyl]thio]phenyl]ethynyl]phenyl]ethynyl]-2,5-difluorophenyl]ethynyl]-2,5-difluorophenyl]ethynyl]-2'-deoxyuridine

4'-C-(Chloromethyl)-2'-deoxy-2'-fluoro-N-methylcytidine 5'-(tetrahydrogen triphosphate)

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-5-[2-[4-[2-[4-[2-[2,5-bis(pentyloxy)-4-[2-[4-[[2-(4-pyridinyl)ethyl]thio]phenyl]ethynyl]phenyl]ethynyl]-2,5-difluorophenyl]ethynyl]-2,5-difluorophenyl]ethynyl]-2'-deoxyuridine

3',5'-Bis[(carboxymethyl)sulfonyl]-3',5'-dideoxythymidine

β-Alanine, N-ethyl-N-[2-[[(6-iodo-2-quinoxalinyl)carbonyl]amino]ethyl]-, 3'-ester with 2'-deoxy-5-iodouridine

L-Isoleucine, 3'-ester with 2'-deoxyuridine 5'-(β,β-diphenylbenzenepropanoate)

L-Isoleucine, N-[(1,1-dimethylethoxy)carbonyl]-, 3'-ester with 2'-deoxyuridine 5'-(β,β-diphenylbenzenepropanoate)

5'-Deoxy-5-fluoro-3-[[1-[(4-fluorophenyl)methyl]-1H-1,2,3-triazol-4-yl]methyl]-5'-iodouridine

5,6-Dimethyl 1-β-D-ribofuranosyl-1H-benzimidazole-5,6-dicarboxylate

5,6-Dimethyl 2-bromo-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1H-benzimidazole-5,6-dicarboxylate

5'-S-[(4-Methoxyphenyl)diphenylmethyl]-2',3'-O-(1-methylethylidene)-N-(2-methyl-1-oxopropyl)-8-[[(methylsulfonyl)oxy]methyl]-6-O-[2-(4-nitrophenyl)ethyl]-5'-thioguanosine

8-(Hydroxymethyl)-5'-S-[(4-methoxyphenyl)diphenylmethyl]-2',3'-O-(1-methylethylidene)-N-(2-methyl-1-oxopropyl)-6-O-[2-(4-nitrophenyl)ethyl]-5'-thioguanosine

8-(Hydroxymethyl)-5'-S-[(4-methoxyphenyl)diphenylmethyl]-2',3'-O-(1-methylethylidene)-N-(2-methyl-1-oxopropyl)-5'-thioguanosine

5'-S-[(4-Methoxyphenyl)diphenylmethyl]-2',3'-O-(1-methylethylidene)-N-(2-methyl-1-oxopropyl)-5'-thioguanosine

5'-Deoxy-5-fluoro-3-[[1-[(2-fluorophenyl)methyl]-1H-1,2,3-triazol-4-yl]methyl]-5'-iodouridine

3-[[1-[(4-Chlorophenyl)methyl]-1H-1,2,3-triazol-4-yl]methyl]-5'-deoxy-5-fluoro-5'-iodouridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3'-O-[6-[[[(2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]hexyl]-5-methyluridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3'-[(2-carboxyethyl)dithio]-2',3'-dideoxyuridine

3'-[(2-Aminoethyl)dithio]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2',3'-dideoxyuridine

2',3'-Dideoxy-3'-fluoro-5-iodocytidine