5'-O-[(R)-Carboxyphosphonomethyl]-2-methyladenosine

2-Chloro-N-[2-(dimethylamino)ethyl]-N-methyladenosine

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-[[(2-nitrophenyl)methyl]thio]-1H-benzimidazole

5'-O-(Hydroxymercaptophosphinyl)-2'-O-methyl-P-thioadenylyl-(3'→5')-2'-O-methyladenosine

2'-Deoxy-3'-O-[(3,4-dimethoxyphenyl)methyl]-5'-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-fluorouridine

2'-Deoxy-3'-O-[(3,4-dimethoxyphenyl)methyl]-2'-fluorouridine

5-(3-Aminopropyl)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyuridine

(2R,3R,3aR,10aS)-7,8-Difluoro-2,3,3a,10a-tetrahydro-3-hydroxyfuro[2',3':4,5]oxazolo[3,2-a]benzimidazole-2-methanol

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

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

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

(2R,3R,3aR,10aS)-2,3,3a,10a-Tetrahydro-3-hydroxyfuro[2',3':4,5]oxazolo[3,2-a]benzimidazole-2-methanol

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

(2R,3R,3aR,10aS)-2,3,3a,10a-Tetrahydro-3-hydroxy-7,8-diiodofuro[2',3':4,5]oxazolo[3,2-a]benzimidazole-2-methanol

(2R,3R,3aR,10aS)-7,8-Dibromo-2,3,3a,10a-tetrahydro-3-hydroxyfuro[2',3':4,5]oxazolo[3,2-a]benzimidazole-2-methanol

2-Azido-4,6-dichloro-1-β-D-ribofuranosyl-1H-benzimidazole

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

2,4,5-Trichloro-1-β-D-ribofuranosyl-1H-benzimidazole

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

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