Thymidine,5'-O-[bis(4-methoxyphenyl)phenylmethyl]-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-4'-C-(7-hydroxy-1-heptenyl)-,(E)-

1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-(4-fluorophenyl)-β-L-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-(4-fluorophenyl)-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

N,N'-(4'-C-Ethenyl-5'-uridylylidene)bis[Lalanine]1,1'-dicyclopentylester

N,N'-(4'-C-Ethenyl-5'-cytidylylidene)bis[Lalanine]1,1'-bis(3,3-dimethylbutyl)ester

N,N'-(4'-C-Ethenyl-5'-cytidylylidene)bis[Lalanine]1,1'-bis(2,2-dimethylpropyl)ester

1-[(1R,5R,7R,8S)-4-[(Benzoyloxy)methyl]-8-hydroxy-5-(hydroxymethyl)-6-oxabicyclo[3.2.1]oct-3-en-7-yl]-2,4(1H,3H)-pyrimidinedione

Thymidine,5'-O-[bis(4-methoxyphenyl)phenylmethyl]-3'-O-[(1,1-dimethylethyl)dimethylsilyl]-4'-C-1,6-heptadienyl-,(E)-

Adenosine,2'-deoxy-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-4'-C-ethynyl-2-fluoro-,3'-acetate

4-Amino-1-[5,6-dideoxy-4-C-(hydroxymethyl)-α-L-xylo-hex-5-ynofuranosyl]-2(1H)-pyrimidinone

2'-Deoxy-4'-C-ethynyl-2'-fluoroguanosine

Adenosine,2'-deoxy-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-4'-C-ethynyl-2-fluoro-

2'-Deoxy-4'-C-ethynyl-2'-fluorocytidine

Adenosine,2'-deoxy-4'-C-ethynyl-2-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]-3'-O-[(4-methoxyphenyl)diphenylmethyl]-

9-(2-Deoxy-4-C-ethynyl-2-fluoro-β-D-arabinofuranosyl)-2-fluoro-9H-purin-6-amine

1-(2-Deoxy-4-C-ethynyl-2-fluoro-β-D-arabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

Cytidine,2'-deoxy-4'-C-ethynyl-5-methyl-

2'-Deoxy-4'-C-ethynyl-2'-fluorouridine

2'-Deoxy-3',5'-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-4'-C-ethynyl-2-fluoroadenosine

4'-C-Ethynylcytidine'-(tetrahydrogentriphosphate)