1-(2,3-Di-O-acetyl-5,6-dideoxy-3-C-2-propen-1-yl-β-D-ribo-hex-5-enofuranosyl)-2-methyl-1H-benzimidazole

2-Chloro-1-(2,3-di-O-acetyl-5,6-dideoxy-3-C-2-propen-1-yl-β-D-ribo-hex-5-enofuranosyl)-1H-benzimidazole

N-Acetyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-methyladenosine

2',2'-Dibromo-2'-deoxy-6-O-methylguanosine

2',2'-Dichloro-2'-deoxy-6-O-methylguanosine

2',2'-Dibromo-2'-deoxyuridine

3'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5'-S-[(hydroxyphosphinyl)methyl]-N-(2-methyl-1-oxopropyl)-5'-thioguanosine

2-Butyl-N-methyladenosine

2-(1-Butyn-1-yl)-N-methyladenosine

Benzimidazole, 2-(5-nitro-2-furyl)-1-ribofuranosyl-, 2',3',5'-triacetate

5-[(1E)-2-Bromoethenyl]-4-thiouridine

5'-O-[Dimethyl(1,1,2-trimethylpropyl)silyl]-5-methyluridine

7-Methyl-3'-O-methylguanosine 5'-(tetrahydrogen triphosphate)

N-(Butoxycarbonyl)-2'-deoxy-2',2'-difluoro-5-iodocytidine

Benzimidazole, 2-[(6-methyl-2-pyridyl)methyl]-1-ribofuranosyl-

Benzimidazole, 2-(4-pyridyl)-1-ribofuranosyl-, 2',3',5'-triacetate

3'-Deoxy-7-methylguanosine 5'-(tetrahydrogen triphosphate)

2-Bromo-5,6-dichloro-1-(5-deoxy-β-L-ribofuranosyl)-1H-benzimidazole

2-Bromo-5,6-dichloro-1-(2,3-di-O-acetyl-5-deoxy-β-L-ribofuranosyl)-1H-benzimidazole

1-[3,5-Bis-O-(triphenylmethyl)-β-D-ribofuranosyl]-2,5,6-trichloro-1H-benzimidazole