3'-[[(2S)-2-Amino-3-(4-methoxyphenyl)-1-oxopropyl]amino]-3',5'-dideoxy-5'-(2-propyn-1-ylamino)-N,N-dimethyladenosine

2'-Deoxy-2'-[methyl(1-pyrenylmethyl)amino]-2-thiouridine

5'-O-Amino-2'-deoxy-3-methyladenosine

2'-Deoxy-5'-O-fluoro-3-methyladenosine

5'-O-Chloro-2'-deoxy-3-methyladenosine

3'-Deoxy-3'-[[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3-(4-methoxyphenyl)-1-oxopropyl]amino]-2',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N,N-dimethyladenosine

3'-Deoxy-3'-[[(2S)-2-[[(1,1-dimethylethoxy)carbonyl]amino]-3-(4-hydroxyphenyl)-1-oxopropyl]amino]-2',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-N,N-dimethyladenosine

3'-Deoxy-3'-[[(2S)-1-oxo-2-[[[[4-[(2-phenylacetyl)amino]phenyl]methoxy]carbonyl]amino]-3-[4-(2-propyn-1-yloxy)phenyl]propyl]amino]-N,N-dimethyladenosine

N-Benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-8-bromo-2'-deoxy-4'-C-methyladenosine

8-[(3-Aminopropyl)amino]-N-benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-4'-C-methyladenosine

N-Benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-8-[[3-[[[4-[2-[4-(dimethylamino)phenyl]diazenyl]phenyl]sulfonyl]amino]propyl]amino]-4'-C-methyladenosine

2',5'-Dideoxy-5'-hydroperoxy-3-methyladenosine

2'-Deoxy-2'-(dimethylamino)-2'-C-methylguanosine

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

N-Benzoyl-8-bromo-2'-deoxy-4'-C-methyladenosine

8-Bromo-2'-deoxy-4'-C-methyladenosine

2'-Deoxy-2'-(ethylamino)-2'-C-methylguanosine

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

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

1-(5,6-Dideoxy-3-C-2-propen-1-yl-β-D-ribo-hex-5-enofuranosyl)-1H-benzimidazole