5'-Deoxy-5-fluorouridine 4-[2-(2-furanylmethylene)hydrazone]

5'-Deoxy-5-fluorouridine 4-[O-[(octadecyloxy)carbonyl]oxime]

2'-Deoxy-5'-O-β-D-galactopyranosyl-5-iodouridine

N-[1-[[[Bis(1,1-dimethylethoxy)phosphinyl]oxy]methyl]-2-phenylethyl]-2-chloroadenosine

7-[18-Azido-19-[3-[[[2-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]ethyl]amino]carbonyl]phenoxy]-5,12-dioxo-14,17-dioxa-4,11-diazanonadec-1-yn-1-yl]-2',3'-dideoxyguanosine 5'-(tetrahydrogen triphosphate)

5-[3-[[2-[2-[1-Azido-2-[3-[[[2-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]ethyl]amino]carbonyl]phenoxy]ethoxy]ethoxy]acetyl]amino]-1-propyn-1-yl]-2',3'-dideoxycytidine 5'-(tetrahydrogen triphosphate)

N-[(1S,2S)-2-[[Bis(phenylmethoxy)phosphinyl]oxy]cyclopentyl]-2-chloroadenosine

5'-O-[(1,1-Dimethylethyl)dimethylsilyl]-2'-C-methyladenosine

2'-Deoxy-2'-fluoro-5-methyluridine 5'-(tetrahydrogen triphosphate)

5'-O-[(4-Methoxyphenyl)diphenylmethyl]-2'-C-methyluridine

5'-O-[(1,1-Dimethylethyl)dimethylsilyl]-N-[(4-methoxyphenyl)diphenylmethyl]-2'-C-methyladenosine

5-[18-Azido-19-[3-[[[2-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]ethyl]amino]carbonyl]phenoxy]-5,12-dioxo-14,17-dioxa-4,11-diazanonadec-1-yn-1-yl]-2',3'-dideoxyuridine 5'-(tetrahydrogen triphosphate)

2'-C-Methyladenylyl-(5'→5')-2'-C-methyladenosine

(5R)-5-[(2,5-Dimethoxyphenyl)thio]-5,6-dihydro-5-methyluridine

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

P-[(2,2-Dimethyl-1-oxopropoxy)methyl]-2'-C-methyladenylyl-(5'→5')-2'-C-methyladenosine

P-[2-[[(Acetyloxy)methoxy]methyl]-3-ethoxy-2-(ethoxycarbonyl)-3-oxopropyl]-2'-C-methyladenylyl-(5'→5')-2'-C-methyladenosine

2'-C-Methyluridylyl-(5'→5')-2'-C-methyluridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-[(2,2-dimethyl-1-oxopropoxy)methyl]-5-methyluridine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-5-[(2,5-dimethoxyphenyl)thio]-5,6-dihydro-5-methyluridine