2'-Deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4'-C-ethyl-5-iodocytidine

5-[3-[2-[[[4'-[[[4-(9-Amino-6-hydroxy-6-oxido-3-oxo-5,7-dioxa-2-aza-6-phosphanon-1-yl)benzoyl]amino]methyl]-3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl]carbonyl]amino]ethoxy]-1-propyn-1-yl]-2',3'-dideoxyuridine 5'-(tetrahydrogen triphosphate)

5-[13-[4'-[[[4-(Aminomethyl)benzoyl]amino]methyl]-3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-6-yl]-8-hydroxy-8-oxido-5,13-dioxo-7,9-dioxa-4,12-diaza-8-phospha-1-tridecyn-1-yl]-2',3'-dideoxycytidine 5'-(tetrahydrogen triphosphate)

2-Chloro-5,6-dinitro-1-[2,3,5-tris-O-(phenylmethyl)-β-D-ribofuranosyl]-1H-benzimidazole

2-Bromo-5,6-dichloro-1-β-D-ribofuranosyl-1H-benzimidazole

2-Chloro-5,6-diiodo-1-β-D-ribofuranosyl-1H-benzimidazole

2,4,6-Trichloro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-benzimidazole

2',3'-O-Cyclopentylidene-5-iodouridine

2-Chloro-5,6-difluoro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-benzimidazole

2'-Deoxy-2'-[[(1,1-dimethylethoxy)carbonyl]amino]-2'-C-methyluridine

(2'R)-4'-C-Azido-2'-(2-chloroethynyl)-2'-deoxy-2'-fluoro-5-methyluridine

4'-C-Azido-2'-C-(2-chloroethynyl)-5-methyluridine

5'-Deoxy-3-[[1-[(2,6-difluorophenyl)methyl]-1H-1,2,3-triazol-4-yl]methyl]-5-fluoro-5'-iodouridine

2,5-Dichloro-6-fluoro-1-(2,3,5-tri-O-acetyl-α-D-ribofuranosyl)-1H-benzimidazole

2,5-Dichloro-6-fluoro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-benzimidazole

3-(2,2-Difluoro-2-phenylethyl)-5-iodouridine 5'-(trihydrogen diphosphate)

2'-Deoxy-3'-O-[1-[2-[ethyl[2-[[(6-iodo-2-quinoxalinyl)carbonyl]amino]ethyl]amino]ethoxy]ethyl]-5-iodouridine

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

Thymidine, 5'-(dihydrogen phosphorothioate)

1-[(3aR,5R,6S,6aS)-6-fluoro-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]ethane-1,2-diol

Acetic acid [(1R,2S,3R,7R,10R)-5,5,12,12-tetramethyl-4,6,8,11,13-pentaoxatricyclo[8.3.0.03,7]tridecan-2-yl] ester