Adenosine, 2'-deoxy-4'-C-ethynyl-2-fluoro-N-[(4-methoxyphenyl)diphenylmethyl]-3'-O-[(4-methoxyphenyl)diphenylmethyl]-, 5'-(1H-imidazole-1-carboxylate)

2′-Guanylicacid,4′-C-ethynyladenylyl-(3′→5′)-,cyclicnucleotide

4-Amino-1-[(2R,5R)-5-ethynyltetrahydro-5-(hydroxymethyl)-2-furanyl]-2(1H)-pyrimidinone

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

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

4-Amino-1-(2-deoxy-4-C-ethynyl-2-methyl-β-D-arabinofuranosyl)-2(1H)-pyrimidinone

1-(2-Deoxy-2-ethynyl-4-C-ethynyl-β-Darabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

1-(2-Cyano-2-deoxy-4-C-ethynyl-β-D-arabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

4-Amino-1-(2-deoxy-2-ethyl-4-C-ethynyl-β-Darabinofuranosyl)-2(1H)-pyrimidinone

4-Amino-1-(2-deoxy-2-ethynyl-4-C-ethynyl-β-D-arabinofuranosyl)-2(1H)-pyrimidinone

1-(2-Deoxy-2-ethenyl-4-C-ethynyl-β-Darabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

Cytidine,4'-C-ethynyl-,monohydrochloride

4-Amino-1-(2-cyano-2-deoxy-4-C-ethynyl-β-Darabinofuranosyl)-2(1H)-pyrimidinone

1-(2-Deoxy-4-C-ethynyl-2-methyl-α-L-xylofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-4-C-ethynyl-2-methyl-β-D-arabinofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-4-C-ethynyl-2-(fluoromethyl)-β-Darabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2-(Aminocarbonyl)-2-deoxy-4-C-ethynyl-β-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

4-Amino-1-(2-deoxy-2-ethenyl-4-C-ethynyl-β-D-arabinofuranosyl)-2(1H)-pyrimidinone

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

4'-C-1-Propyn-1-ylcytidine