1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-4-nitro-1H-benzimidazole

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-(hydroxyphosphinyl)-β-D-erythro-pentofuranosyl]-4-nitro-1H-benzimidazole

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-7-methyl-1H-benzimidazole

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

5,6-Dichloro-1-β-L-ribofuranosyl-1H-benzimidazole

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-7-methyl-1H-benzimidazole

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-7-fluoro-1H-benzimidazole

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

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-4-fluoro-1H-benzimidazole

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-4-nitro-1H-benzimidazole

(2'R)-5'-O-[(2R,4S)-4-(3-Chlorophenyl)-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2'-deoxy-3'-O-ethyl-2'-fluoro-2'-methyluridine

(2'R)-3'-O-[(Acetyloxy)methyl]-5'-O-[(2R,4S)-4-(3-chlorophenyl)-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2'-deoxy-2'-fluoro-2'-methyluridine

(2'R)-5'-O-[(2R,4S)-4-(3-Chlorophenyl)-2-oxido-1,3,2-dioxaphosphorinan-2-yl]-2'-deoxy-2'-fluoro-3'-O-(hydroxymethyl)-2'-methyluridine

5-[5-(4-Bromophenyl)-3-isoxazolyl]-2'-deoxyuridine 3',5'-diacetate

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-[(1-coronenylmethyl)methylamino]-2'-deoxyuridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-[(1-coronenylmethyl)amino]-2'-deoxyuridine

2',3',5'-Tris-O-[(1,1-dimethylethyl)dimethylsilyl]-N,N-dimethylguanosine

5-[5-(Bromomethyl)-3-isoxazolyl]-2'-deoxyuridine

5-[5-(4-Bromophenyl)-3-isoxazolyl]-2'-deoxyuridine

5-[5-(Bromomethyl)-3-isoxazolyl]-2'-deoxyuridine 3',5'-diacetate