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

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

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

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

L-Valine, 5'-ester with 5-fluoro-4'-C-fluoro-2-thiouridine

L-Valine, 5'-ester with 4'-C-fluoro-2-thiouridine

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

L-Valine, 5'-ester with 5-chloro-4'-C-fluoro-2-thiouridine

L-Valine, 5'-ester with 4'-C-fluoro-5-formyl-2-thiouridine

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

L-Valine, 5'-ester with 4'-C-fluoro-5-methyl-4-thiouridine

L-Valine, 5'-ester with 4'-C-fluoro-5-(hydroxymethyl)-4-thiouridine

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

L-Valine, 5'-ester with 5-chloro-4'-C-fluoro-4-thiouridine

L-Valine, 5'-ester with 5-ethynyl-4'-C-fluoro-4-thiouridine