7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-(2-C-methyl-5-O-phosphono-β-D-ribofuranosyl)-5-(2-pyridinylethynyl)-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-(2-C-methyl-5-O-phosphono-β-D-ribofuranosyl)-5-[(trimethylsilyl)ethynyl]-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[5-O-[hydroxy(phosphonooxy)phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-5-[(4-methoxyphenyl)ethynyl]-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[5-O-[hydroxy(phosphonooxy)phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-5-(4-pyridinylethynyl)-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[5-O-[hydroxy(phosphonooxy)phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-5-(2-pyridinylethynyl)-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[5-O-[hydroxy(phosphonooxy)phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-5-[(trimethylsilyl)ethynyl]-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-5-[(trimethylsilyl)ethynyl]-

Uridine, 2'-deoxy-5-[(2,3-dihydro-2-methyl-1,3-dioxo-1H-benz[de]isoquinolin-6-yl)ethynyl]-, 3',5'-bis(4-methylbenzoate)

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-5-[(4-methoxyphenyl)ethynyl]-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-5-(4-pyridinylethynyl)-

7H-Pyrrolo[2,3-d]pyrimidin-4-amine, 7-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-C-methyl-β-D-ribofuranosyl]-5-(2-pyridinylethynyl)-

1-[3,5-Anhydro-3-C-ethynyl-4-C-(hydroxymethyl)-α-L-lyxofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3,5-Anhydro-3-C-ethynyl-4-C-[[(methylsulfonyl)oxy]methyl]-α-L-lyxofuranosyl]-2,4(1H,3H)-pyrimidinedione

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

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

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

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

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

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

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