Uridine,5-methyl-3',5'-bis-O-(phenylmethyl)-4'-C-[(triethylsilyl)ethynyl]-,2'-acetate

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

2'-Deoxy-4'-C-ethynyl-5'-O-(2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)adenosine

2-Fluoro-3',5'-bis-O-(phenylmethyl)-4'-C-[2-(triethylsilyl)ethynyl]adenosine

Adenosine,3',5'-bis-O-(phenylmethyl)-4'-C-[(triethylsilyl)ethynyl]-,2'-acetate

5'-O-[(1,1-Dimethylethyl)diphenylsilyl]-3'-O-[(4-methoxyphenyl)methyl]-4'-C-[2-(triethylsilyl)ethynyl]adenosine

Adenosine,2'-deoxy-4'-C-ethynyl-2-fluoro-,3',5'-bis(4-methylbenzoate)

Uridine,2',3'-O-cyclopentylidene-5'-O-[(1,1-dimethylethyl)diphenylsilyl]-4'-C-ethynyl-,4-[2,4,6-tris(1-methylethyl)benzenesul

Adenosine,5'-O-[(1,1-dimethylethyl)diphenylsilyl]-3'-O-[(4-methoxyphenyl)methyl]-4'-C-[2-(triethylsilyl)ethynyl]-,2'-acetate

2'-Deoxy-4'-C-ethynyl-3'-O-[(4-methoxyphenyl)methyl]-5'-O-(2-oxido-4H-1,3,2-benzodioxaphosphorin-2-yl)adenosine

Adenosine, 5'-O-[(1,1-dimethylethyl)diphenylsilyl]-3'-O-[(4-methoxyphenyl)methyl]-4'-C-[2-(triethylsilyl)ethynyl]-, 2'-(O-phenyl carbonothioate)

Uridine,2',3'-dideoxy-4'-C-ethynyl-2'-[S-(4-methylphenyl)-N-[(4-methylphenyl)sulfonyl]sulfinimidoyl]-5-methyl-,5'-benzoa

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