N-[[P(S)]-2'-Deoxy-4'-C-ethenyl-2'-fluoro-P-phenyl-5'-uridylyl]-L-alanine-methylethylester

2'-Deoxy-4'-C-ethenyl-2'-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]guanosine

N-[[P(R)]-2'-Deoxy-4'-C-ethenyl-2'-fluoro-P-phenyl-5'-uridylyl]-L-alanine-methylethylester

2'-Deoxy-4'-C-ethenyl-2'-fluoroguanosine'-(tetrahydrogentriphosphate)

N-(2'-Deoxy-4'-C-ethenyl-2'-fluoro-P-phenyl-5'-cytidylyl)-L-alanine-methylethylester

2'-Deoxy-4'-C-ethenyl-2',2'-difluoro-N-[(4-methoxyphenyl)diphenylmethyl]guanosine

2'-Deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-4'-C-ethenyl-2'-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]adenosine

2'-Deoxy-4'-C-ethenyl-2'-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]-3'-O-[(4-methoxyphenyl)diphenylmethyl]guanosine

Bis[(2,2-dimethyl-1-oxopropoxy)methyl]2'-deoxy-4'-C-ethenyl-2'-fluoro-5'-guanylate

2'-Deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-4'-C-ethenyl-2'-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]guanosine

2'-Deoxy-4'-C-ethenyl-2',2'-difluorouridine

2',3'-O-Cyclopentylidene-4'-C-ethenylcytidine

5'-Guanylicacid,2'-deoxy-4'-C-ethenyl-2'-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]-3'-O-[(4-methoxyphenyl)diphenylmethyl]-,bis[(2,2-dimethyl-1-oxopropoxy)methyl]ester,6-[bis[(2,2-dimethyl-1-oxopropoxy)methyl]phosphate]

2'-Deoxy-4'-C-ethenyl-2',2'-difluorocytidine

4'-C-(2-Chloroethenyl)-2'-deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-2'-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]guanosine

2'-Deoxy-4'-C-ethenyl-2',2'-difluorouridine'-(tetrahydrogentriphosphate)

2'-Deoxy-4'-C-ethenyl-2',2'-difluorocytidine'-(tetrahydrogentriphosphate)

2'-Deoxy-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-4'-C-ethenyl-2',2'-difluorocytidine

Adenosine,N-benzoyl-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-4'-C-ethenyl-3'-O-(phenylmethyl)-,2'-acetate

4'-C-(2-Chloroethenyl)-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-2'-C-methyl-2',3'-O-(1-methylethylidene)uridine