7-[(5R)-5-C-[3-(Difluoromethyl)-5-benzofuranyl]-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-methyl-7H-pyrrolo[2,3-d]pyrimidine

7-[(5R)-5-C-(3-Cyano-4-fluorophenyl)-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-methyl-7H-pyrrolo[2,3-d]pyrimidine

7-[(5R)-5-C-(4-Fluoro-3-methoxyphenyl)-2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-4-methyl-7H-pyrrolo[2,3-d]pyrimidine

1-(2-Deoxy-α-D-erythro-pentofuranosyl)-5-(2-methyl-4-nitro-1H-imidazol-1-yl)-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-α-D-erythro-pentofuranosyl)-5-(4-nitro-1H-imidazol-1-yl)-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-5-(2-methyl-4-nitro-1H-imidazol-1-yl)-2,4(1H,3H)-pyrimidinedione

1-[2-Deoxy-3,5-bis-O-(4-methylbenzoyl)-α-D-erythro-pentofuranosyl]-5-(4-nitro-1H-imidazol-1-yl)-2,4(1H,3H)-pyrimidinedione

Uridine, 2′-deoxy-5-(2-methyl-4-nitro-1H-imidazol-1-yl)-, 3′,5′-bis(4-methylbenzoate)

Uridine, 2′-deoxy-5-(4-nitro-1H-imidazol-1-yl)-, 3′,5′-bis(4-methylbenzoate)

Cytidine, N-benzoyl-3′-O-[5-[[[(3β)-cholest-5-en-3-yloxy]carbonyl]amino]pentyl]-

Cytidine, 3′-O-[5-[[[(3β)-cholest-5-en-3-yloxy]carbonyl]amino]pentyl]-

Cytidine, 3′-O-(5-aminopentyl)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-

5′-Cytidylic acid, 2′-O-(2-methoxyethyl)-5-methyl-

5′-Cytidylic acid, 2′-O-(2-methoxyethyl)-

1-[5-O-Benzoyl-3-O-(methylsulfonyl)-2-O-(4-nitrobenzoyl)-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[3-(Butylamino)-3-deoxy-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

Uridine, 5-methyl-, 2′,5′-dibenzoate 3′-methanesulfonate

1-[2,5-Di-O-benzoyl-3-O-(methylsulfonyl)-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

6H-Furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one, 2-(chloromethyl)-2,3,3a,9a-tetrahydro-7-methyl-3-[(methylsulfonyl)oxy]-, (2S,3S,3aS,9aR)-

L-Alanine, N5-(aminocarbonyl)-L-ornithyl-3-(5′-guanylyldithio)-