2'-Deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-6-S-phenyl-N-[(phenylmethoxy)carbonyl]-6-thioguanosine

2'-S-[(4-Methoxyphenyl)methyl]-2'-thiouridine

2-Bromo-5,6-dichloro-1-[5-O-[[(2S)-1-[(1,1-dimethylethoxy)carbonyl]-2-pyrrolidinyl]carbonyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-benzimidazole

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

5,6-Dimethyl-1-[2,3-O-(1-methylethylidene)-5-O-(triphenylmethyl)-α-D-ribofuranosyl]-1H-benzimidazole

2'-Deoxy-1-methyladenosine 5'-(tetrahydrogen triphosphate)

1H-Benzimidazole, 1-[2,3-O-cyclohexylidene-5-O-(triphenylmethyl)-β-D-ribofuranosyl]-5,6-dimethyl-

1H-Benzimidazole, 1-[2,3-O-cyclohexylidene-5-O-(triphenylmethyl)-α-D-ribofuranosyl]-5,6-dimethyl-

5,6-Dimethyl-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-benzimidazole

5,6-Dimethyl-1-[2,3-O-(1-methylethylidene)-α-D-ribofuranosyl]-1H-benzimidazole

3'-O-[(1,1-Dimethylethyl)diphenylsilyl]-2'-O-(2-methoxyethyl)-5-methyluridine

2,4(1H,3H)-Pyrimidinedione, 5-[(trimethylsilyl)ethynyl]-1-[2,3,5-tris-O-(4-methylbenzoyl)-β-D-arabinofuranosyl]-

2-Bromo-5,6-dichloro-1-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-1H-benzimidazole

4,5,6-Trichloro-1-β-D-ribofuranosyl-1H-benzotriazole

4,5,6-Trichloro-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-ribofuranosyl]-1H-benzotriazole

3'-Deoxy-2'-O-methyladenosine 5'-(tetrahydrogen triphosphate)

5,6-Dichloro-1-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-O-methyl-β-D-ribofuranosyl]-1H-benzimidazole

5,6-Dichloro-1-(2-O-methyl-β-D-ribofuranosyl)-1H-benzimidazole

2'-O-Ethylguanosine 5'-(tetrahydrogen triphosphate)

2-Amino-3'-O-methyladenosine 5'-(tetrahydrogen triphosphate)