β-D-Ribofuranuronamide, 1-[2-[(1-aminocyclohexyl)ethynyl]-6-(ethylamino)-9H-purin-9-yl]-1-deoxy-N-ethyl-

1-Deoxy-N-ethyl-1-[6-(ethylamino)-2-[2-(1-hydroxycyclohexyl)ethynyl]-9H-purin-9-yl]-β-D-ribofuranuronamide

β-D-Ribofuranuronamide, 1-deoxy-N-ethyl-1-[6-(ethylamino)-2-[(1-hydroxycyclopentyl)ethynyl]-9H-purin-9-yl]-

β-D-Ribofuranuronamide, 1-[2-[(1-cyclohexen-1-yl)ethynyl]-6-(ethylamino)-9H-purin-9-yl]-1-deoxy-N-ethyl-

5'-Amino-5'-deoxy-N,N-dimethyladenosine

5-[2-(2-Pyridinyl)ethynyl]-1-[(2R,3R,4R,5R)-tetrahydro-4-hydroxy-5-(hydroxymethyl)-3-methoxy-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(2R,3R,4R,5R)-4-(Acetyloxy)-5-[(acetyloxy)methyl]tetrahydro-3-methoxy-2-furanyl]-5-[2-(2-pyridinyl)ethynyl]-2,4(1H,3H)-pyrimidinedione

Uridine, 2'-O-methyl-5-[(4-pentylphenyl)ethynyl]-

Uridine, 2'-O-methyl-5-[(4-pentylphenyl)ethynyl]-, 3',5'-diacetate

Uridine, 2'-O-methyl-5-[(4-methylphenyl)ethynyl]-

Uridine, 2'-O-methyl-5-[(4-methylphenyl)ethynyl]-, 3',5'-diacetate

Uridine, 5-(1-cyclohexen-1-ylethynyl)-2'-O-methyl-

Uridine, 5-(1-cyclohexen-1-ylethynyl)-2'-O-methyl-, 3',5'-diacetate

8-[2-(4-Methoxyphenyl)ethynyl]guanosine

4-Nitro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-benzimidazole

Benzimidazole, 5,6-dichloro-1-[5-deoxy-α-D-ribofuranosyl]-

1-[5-O-Benzoyl-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-[2-(trimethylsilyl)ethynyl]-α-L-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

5'-Cytidylic acid, 3'-C-ethynyl-, 5'-ester with 1-β-D-arabinofuranosyl-4-(octadecylamino)-2(1H)-pyrimidinone

3'-Amino-2',3'-dideoxyguanosine 5'-(tetrahydrogen triphosphate)

3'-Amino-2',3'-dideoxycytidine 5'-(tetrahydrogen triphosphate)