2',3'-O-Cyclopentylidene-5'-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(4-methoxyphenyl)diphenylmethyl]-2'-C-methyladenosine

2',3'-O-Cyclopentylidene-5'-O-[(1,1-dimethylethyl)dimethylsilyl]-2'-C-methyladenosine

3',5'-Dideoxy-6-O-ethyl-3'-fluoro-5'-iodo-N-[(4-methoxyphenyl)diphenylmethyl]-2'-C-methylguanosine

2',4'-Di-C-methyluridine 5'-(tetrahydrogen triphosphate)

3'-Deoxy-6-O-ethyl-3'-fluoro-4'-C-fluoro-N-formyl-2'-C-methylguanosine

2',3'-O-Cyclopentylidene-4'-C-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-N-[(4-methoxyphenyl)diphenylmethyl]-2'-C-methyladenosine

2',3'-O-Cyclopentylidene-4'-C-(hydroxymethyl)-N-[(4-methoxyphenyl)diphenylmethyl]-2'-C-methyladenosine

4'-C-Fluoro-2'-C-methyladenosine 5'-(tetrahydrogen triphosphate)

2'-Deoxy-4'-C-(2,2-difluoroethyl)-2'-fluorouridine 5'-(tetrahydrogen triphosphate)

3'-Deoxy-3'-fluoro-4'-C-fluoro-2'-C-methylguanosine 5'-(tetrahydrogen triphosphate)

2',4'-Di-C-methylcytidine 5'-(tetrahydrogen triphosphate)

2'-C-Ethynyl-4'-C-methyladenosine 5'-(tetrahydrogen triphosphate)

4'-C-(Chloromethyl)-2'-C-methylcytidine

4'-C-(Chloromethyl)-2',3'-O-cyclopentylidene-2'-C-methylcytidine

4'-C-(Azidomethyl)-2'-C-methyluridine 5'-(tetrahydrogen triphosphate)

4'-C-(Chloromethyl)-2'-C-methyluridine 5'-(tetrahydrogen triphosphate)

2',3'-O-Cyclopentylidene-4'-C-(hydroxymethyl)-2'-C-methyluridine

5'-[[2-[[5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-5'-deoxy-8-chloro-2-methyladenosine

5'-[[2-[[5-(2-Chlorophenyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-5'-deoxy-8-fluoro-2-methyladenosine

5'-[[2-[[5-(2-Chlorophenyl)-1,3,4-oxadiazol-2-yl]amino]-2-oxoethyl]amino]-5'-deoxy-2-methyladenosine