5′-Adenylic acid, N-[5-[[3-[(5-amino-1-oxopentyl)methylamino]propyl]methylamino]-5-oxopentyl]-

5′-Adenylic acid, N-[4-[[3-[(4-amino-1-oxobutyl)methylamino]propyl]methylamino]-4-oxobutyl]-

Adenosine 5′-(trihydrogen diphosphate), 8-[[6-(acetylamino)hexyl]amino]-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(4-chlorophenyl)-2′-deoxy-N-(4-methoxybenzoyl)cytidylyl-(3′→5′)-2′-deoxy-N-(4-methoxybenzoyl)-, 3′-benzoate

Uridine, 2′-deoxy-5-fluoro-3-(4-methoxybenzoyl)-, 3′,5′-dipentanoate

Furo[2,3-d]oxazole-3(2H)-carboxylic acid, tetrahydro-6-hydroxy-5-(hydroxymethyl)-2-oxo-, phenylmethyl ester, [3aS-(3aα,5α,6β,6aα)]-

Furo[2,3-d]oxazole-3(2H)-carboxylic acid, 6-(benzoyloxy)-5-[(benzoyloxy)methyl]tetrahydro-2-oxo-, phenylmethyl ester, [3aS-(3aα,5α,6β,6aα)]-

Furo[2,3-d]oxazole-3(2H)-carboxylic acid, 6-(acetyloxy)-5-[(acetyloxy)methyl]tetrahydro-2-oxo-, phenylmethyl ester, [3aS-(3aα,5α,6β,6aα)]-

Furo[2,3-d]oxazole-3(2H)-carboxylic acid, tetrahydro-6-hydroxy-5-(hydroxymethyl)-2-imino-, phenylmethyl ester, [3aS-(3aα,5α,6β,6aα)]-

Furo[2,3-d]oxazole-3(2H)-carboxylic acid, tetrahydro-6-hydroxy-5-(hydroxymethyl)-2-oxo-, phenylmethyl ester, [3aR-(3aα,5β,6α,6aα)]-

Furo[2,3-d]oxazol-2(3H)-one, tetrahydro-6-hydroxy-5-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-3-[(phenylmethoxy)carbonyl]-, [3aR-(3aα,5β,6β,6aβ)]-

6H-Furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-6-one, 2-(fluoromethyl)-2,3,3a,9a-tetrahydro-3-hydroxy-, [2S-(2α,3β,3aα,9aα)]-

6-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)imidazo[1,2-c]pyrimidin-5(6H)-one

3-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-3,4-dihydro-9H-imidazo[1,2-a]purin-9-one

3-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-3H-diimidazo[1,2-c:4′,5′-e][1,2,3]triazine

Uridine, 2′-deoxy-3-(4-ethoxybenzoyl)-5-fluoro-, 3′,5′-dipentanoate

Uridine, 2′-deoxy-5-fluoro-3-(3-fluorobenzoyl)-, 3′,5′-dihexanoate

Uridine, 2′-deoxy-5-fluoro-3-(3-fluorobenzoyl)-, 3′,5′-dioctanoate

Uridine, 2′-deoxy-3-(3,4-dimethoxybenzoyl)-5-fluoro-, 3′,5′-dibutanoate

Uridine, 3-benzoyl-2′-deoxy-5-fluoro-, 3′,5′-dibutanoate