2-Amino-2'-deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N,N-dimethyladenosine

5'-Deoxy-2',3'-O-[(S)-[4-(ethoxymethoxy)phenyl]methylene]-5-fluorouridine

N,N-Diethylguanosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3'-deoxy-3'-[[(2S)-3-(4-methoxyphenyl)-1-oxo-2-[(2,2,2-trifluoroacetyl)amino]propyl]amino]-N,N-dimethyladenosine

4'-C-Fluoro-5-methyluridine

5'-O-(6,8-Dimethyl-2-oxido-4H-1,3,2-benzodioxaphosphorin-3-yl)-4'-C-fluoro-5-formyl-4-thiouridine

2-Chloro-N-cyclopentyl-2'-O-methyladenosine

1H-Benzotriazole, 1-xylofuranosyl-

1-(3-Deoxy-3-fluoro-β-D-ribofuranosyl)-4-nitro-1H-benzotriazole

1-(2,5-Di-O-benzoyl-3-deoxy-3-fluoro-β-D-ribofuranosyl)-4-nitro-1H-benzotriazole

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

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-deoxy-3-fluoro-β-D-ribofuranosyl]-4-nitro-1H-benzotriazole

Methyl 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-deoxy-3-methylene-β-D-erythro-pentofuranosyl]-1H-benzotriazole-4-carboxylate

Methyl 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-deoxy-2-O-[(1,1-dimethylethyl)dimethylsilyl]-3-methylene-β-D-erythro-pentofuranosyl]-1H-benzotriazole-4-carboxylate

Methyl 1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranos-3-ulos-1-yl]-1H-benzotriazole-4-carboxylate

2',3'-O-(1-Methylethylidene)-5-[[methyl(2,2,2-trifluoroacetyl)amino]methyl]-2-thiouridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5-[[methyl(2,2,2-trifluoroacetyl)amino]methyl]-2-thiouridine

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

1H-Benzimidazole, 2-bromo-5,6-dichloro-1-[3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-β-L-ribofuranosyl]-

2'-O-(2-Aminoethyl)-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-5-methyluridine