1-[4-C-Cyclopropyl-2,3-O-(1-methylethylidene)-α-D-ribofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[4-C-Cyclopropyl-2,3-O-(1-methylethylidene)-α-D-ribofuranosyl]-2,4(1H,3H)-pyrimidinedione

3'-[[(3-Chlorophenyl)(dimethoxyphosphinyl)methyl]amino]-2',3'-dideoxyuridine

5-[3-[[6-[(9-Anthracenylcarbonyl)amino]-1-oxohexyl]amino]-1-propyn-1-yl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyuridine

β-D-Ribofuranuronic acid, 1-[6-amino-2-(2-phenylethynyl)-9H-purin-9-yl]-1-deoxy-, methyl ester, 2,3-diacetate

(1R,6S)-2-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-4,6-dimethyl-8,8-diphenyl-7-oxa-2,4-diazabicyclo[4.2.0]octane-3,5-dione

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-2'-[[2-[bis(2-pyridinylmethyl)amino]acetyl]amino]-2'-deoxyuridine

Uridine, 2'-deoxy-5-[(1-hydroxycyclopentyl)ethynyl]-

Benzimidazole, 5,6-dibromo-1-D-ribofuranosyl-, triacetate

1-β-D-Arabinofuranosyl-5-(phenylseleno)-2,4(1H,3H)-pyrimidinedione

1H-Benzotriazole, 5,6-dichloro-1-β-D-ribofuranosyl-, 3',5'-dibenzoate

1H-Benzotriazole, 5,6-dichloro-1-α-D-ribofuranosyl-, 3',5'-dibenzoate

Benzimidazole, 1-(2,3-O-isopropylidene-D-ribofuranosyl)-5,6-dimethyl-

2(1H)-Pyrimidinone, 1-[3,5-bis-O-(4-chlorobenzoyl)-2-deoxy-β-D-erythro-pentofuranosyl]-5-(phenylethynyl)-

1-[3,5-Bis-O-(4-chlorobenzoyl)-2-deoxy-α-D-erythro-pentofuranosyl]-5-ethynyl-2(1H)-pyrimidinone

1-(2-Deoxy-α-D-erythro-pentofuranosyl)-5-ethynyl-2(1H)-pyrimidinone

2(1H)-Pyrimidinone, 1-[3,5-bis-O-(4-chlorobenzoyl)-2-deoxy-β-D-erythro-pentofuranosyl]-5-[(trimethylsilyl)ethynyl]-

1-[(5aS,6R,7R,8aR)-6-(Acetyloxy)-5a,6,8a,9-tetrahydro-4H,7H-furo[2,3-f][1,2,3]triazolo[5,1-c][1,4]oxazepin-7-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(5aS,6R,7R,8aR)-6-(Acetyloxy)-5a,6,8a,9-tetrahydro-4H,7H-furo[2,3-f][1,2,3]triazolo[5,1-c][1,4]oxazepin-7-yl]-2,4(1H,3H)-pyrimidinedione

2(1H)-Pyrimidinone, 1-[3,5-bis-O-(4-chlorobenzoyl)-2-deoxy-α-D-erythro-pentofuranosyl]-5-[(trimethylsilyl)ethynyl]-