(2'R)-2',5'-Dideoxy-2'-fluoro-5'-iodo-2'-methyluridine

5'-Deoxy-5'-iodo-1'-C-methyluridine

2',3'-O-Cyclopentylidene-2'-C-methyluridine

4'-C-Azido-5'-deoxy-5'-iodo-1'-C-methyluridine

5'-S-(4-Methoxyphenyl)-5'-thiouridine

5,6-Dichloro-1-[3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-ribofuranosyl]-1H-benzimidazole

5,6-Dichloro-1-[2-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-ribofuranosyl]-1H-benzimidazole

5,6-Dichloro-1-[5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-ribofuranosyl]-1H-benzimidazole

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

5,6-Dichloro-1-[3-O-[(2,5-dichlorophenoxy)hydroxyphosphinyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-ribofuranosyl]-1H-benzimidazole

1-[2,3-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-ribofuranosyl]-5,6-dichloro-1H-benzimidazole

5,6-Dichloro-1-[3-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-[hydroxy[2-(4-nitrophenyl)ethoxy]phosphinyl]-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-ribofuranosyl]-1H-benzimidazole

5,6-Dichloro-1-[2-O-[(2,5-dichlorophenoxy)[2-(4-nitrophenyl)ethoxy]phosphinyl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-1H-benzimidazole

5,6-Dichloro-1-[2-O-[(2,5-dichlorophenoxy)[2-(4-nitrophenyl)ethoxy]phosphinyl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-ribofuranosyl]-1H-benzimidazole

1-[2,3-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-5,6-dichloro-1H-benzimidazole

5,6-Dichloro-1-[2-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-[hydroxy[2-(4-nitrophenyl)ethoxy]phosphinyl]-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-ribofuranosyl]-1H-benzimidazole

5,6-Dichloro-1-[3-O-[(2,5-dichlorophenoxy)[2-(4-nitrophenyl)ethoxy]phosphinyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-ribofuranosyl]-1H-benzimidazole

5,6-Dichloro-1-[2-O-[(2,5-dichlorophenoxy)hydroxyphosphinyl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-ribofuranosyl]-1H-benzimidazole

5-(4-Acetylphenyl)-2'-deoxyuridine

5'-O-[(2R,4S)-4-(2,3-Difluorophenyl)-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2'-C-methylcytidine