N-Benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-iodocytidine

6-S-(2-Methylpropyl)-6-thioguanosine

Adenosine, N,N-dimethyl-, 5'-(dihydrogen phosphate), 5'→5'-ester with N,N-dimethyladenosine

5-[(1E)-3-[(4-Azido-2,3,5,6-tetrafluorobenzoyl)amino]-1-propen-1-yl]-2'-deoxyuridine 5'-(tetrahydrogen triphosphate)

5-[2-[[2-[Bis(2-aminoethyl)amino]ethyl]amino]-2-oxoethyl]-2'-deoxy-5'-O-phosphonouridylyl-(3'→5')-5-[2-[[2-[bis(2-aminoethyl)amino]ethyl]amino]-2-oxoethyl]-2'-deoxyuridine

5'-O-Phosphonothymidylyl-(3'→5')-5-[2-[[2-[bis(2-aminoethyl)amino]ethyl]amino]-2-oxoethyl]-2'-deoxyuridine

5'-O-Phosphonothymidylyl-(3'→5')-5-[2-[(2-hydroxyethyl)amino]-2-oxoethyl]-2'-deoxyuridine

2-[2-(Cyclohexylamino)ethyl]-N-(2,2-diphenylethyl)-5'-O-methyladenosine

2'-O-Dephosphinico-3'-O-methyl-N-(2-methyl-1-oxopropyl)-2'-O-(sulfonylimino)guanylyl-(2'→5')-N-benzoyl-5'-deoxy-2'-O,4'-C-methyleneadenosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-O-dephosphinico-3'-O-methyl-N-(2-methyl-1-oxopropyl)-2'-O-(sulfonylimino)guanylyl-(2'→5')-N-benzoyl-3'-O-[bis(4-methoxyphenyl)phenylmethyl]-5'-deoxy-2'-O,4'-C-methyleneadenosine

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

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

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

N,N-Diethylguanosine

Alanine, 3-phenyl-N-phosphono-, 1-methyl ester, L-, 4-ester with 5-bromouridine

Alanine, 3-phenyl-N-phosphono-, 1-methyl ester, L-, cyclic 4,5'-ester with 5-bromouridine

Alanine, 3-phenyl-N-phosphono-, L-, P→5'-ester with 5-bromouridine

L-Valine, 5'-ester with 4'-C-fluoro-5-methyluridine

L-Valine, 5'-ester with 3'-deoxy-4'-C-fluoro-5-methyluridine

4'-C-Fluoro-5-methyluridine