9-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-6-ethynyl-9H-purine

9H-Purine, 9-[2-deoxy-3,5-bis-O-(4-methylbenzoyl)-β-D-erythro-pentofuranosyl]-6-[(trimethylsilyl)ethynyl]-

9H-Purine, 6-(1H-purin-6-ylethynyl)-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-

Cytidylyl-(3'→5')-3'-[[(2R)-2-amino-3,3-difluoro-1-oxo-3-phenylpropyl]amino]-3'-deoxy-N,N-dimethyladenosine

Uridine, 2'-deoxy-5-[[[(4-methylphenyl)sulfonyl]oxy]ethynyl]-, 3',5'-bis(4-methylbenzoate)

9H-Purine, 6-[[9-(tetrahydro-2H-pyran-2-yl)-9H-purin-6-yl]ethynyl]-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-

3'-[[(2R)-2-Amino-3,3-difluoro-1-oxo-3-phenylpropyl]amino]-3'-deoxy-N,N-dimethyladenosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-N,N-dimethyl-2'-O-methyladenosine

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 1,7-dihydro-7-(2-C-methyl-β-D-ribofuranosyl)-5-(phenylethynyl)-, oxime

L-Alanine, N-(hydroxyphenoxyphosphinyl)-, methyl ester, 5'-ester with 5-ethynyl-7-(2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

L-Alanine, N-[(1,1-dimethylethoxy)carbonyl]-, 3'-ester with 5-ethynyl-7-(2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

L-Alanine, N-(hydroxyphenoxyphosphinyl)-, (P→5')-ester with 5-ethynyl-7-(2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

4H-Pyrrolo[2,3-d]pyrimidin-4-one, 1,7-dihydro-7-(2-C-methyl-β-D-ribofuranosyl)-5-(2-pyridinylethynyl)-, oxime

1-[2-O-[Hydroxy(2-methoxyethoxy)phosphinyl]-5-O-methyl-β-D-ribofuranosyl]-2-methyl-1H-benzimidazole

1-[3-O-[Hydroxy(2-methoxyethoxy)phosphinyl]-5-O-methyl-β-D-ribofuranosyl]-2-methyl-1H-benzimidazole

1-[2-O-(Hydroxyphenoxyphosphinyl)-5-O-methyl-β-D-ribofuranosyl]-2-methyl-1H-benzimidazole

1-[3-O-(Hydroxyphenoxyphosphinyl)-5-O-methyl-β-D-ribofuranosyl]-2-methyl-1H-benzimidazole

Adenosine, 8-(2-phenylethynyl)-, 2',3',5'-triacetate

8-(2-Phenylethynyl)adenosine

8-(2-Phenylethynyl)guanosine