1-[(2R,4R,5R)-4-(Acetyloxy)-5-ethoxytetrahydro-5-methyl-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

3-(2-Deoxy-β-D-threo-pentofuranosyl)-5-iodo-2,4(1H,3H)-pyrimidinedione

3-[2-Deoxy-5-O-(triphenylmethyl)-β-D-threo-pentofuranosyl]-5-iodo-2,4(1H,3H)-pyrimidinedione

N-[(Dimethylamino)methylene]-2-[2-(1-pyrenyl)ethynyl]-3',5'-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]adenosine

1H-Benzimidazole, 1-[5-O-(hydroxyphenoxyphosphinyl)-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-5,6-dimethyl-

1-[5-O-(Diphenoxyphosphinyl)-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-5,6-dimethyl-1H-benzimidazole

1-[5-O-(Diphenoxyphosphinyl)-2,3-O-(1-methylethylidene)-α-D-ribofuranosyl]-5,6-dimethyl-1H-benzimidazole

1H-Benzimidazole, 1-[5-O-[(2-fluorophenoxy)hydroxyphosphinyl]-2,3-O-(1-methylethylidene)-α-D-ribofuranosyl]-5,6-dimethyl-

1H-Benzimidazole, 1-[5-O-(hydroxyphenoxyphosphinyl)-2,3-O-(1-methylethylidene)-α-D-ribofuranosyl]-5,6-dimethyl-

1-[(2R,5S)-5-(1,3-Diphenyl-2-imidazolidinyl)tetrahydro-2-furanyl]-2,4(1H,3H)-pyrimidinedione

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

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

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

(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]-

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

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

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