Guanosine, 8-(methylseleno)-

Guanosine, 7,8-dihydro-8-selenoxo-, 2′,3′,5′-triacetate

Guanosine, 7,8-dihydro-8-selenoxo-

Guanosine, 8-(butylseleno)-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-(propylseleno)-, cyclic 3′,5′-(hydrogen phosphate)

Guanosine, 8-(ethylseleno)-, cyclic 3′,5′-(hydrogen phosphate)

Adenosine, N-cyclohexyl-N-(2-methoxyethyl)-

2′-Adenylic acid, N-(6-aminohexyl)-, 5′-(dihydrogen phosphate)

2′-Adenylic acid, 7,8-dihydro-8-thioxo-

5′-O-[Hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]guanylyl-(3′→5′)-adenosine

Uridine, 5′-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]guanylyl-(3′→5′)-

Uridine, 2′-deoxy-, 3′,5′-dibenzoate

5′-Uridylic acid, diphenyl ester

8H-Furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidine-6-carboxylic acid, 3-(benzoyloxy)-2-[(benzoyloxy)methyl]-2,3,3a,9a-tetrahydro-8-oxo-, methyl ester, [2R-(2α,3β,3aβ,9aβ)]-

6H-Furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidine-8-carboxylic acid, 3-(benzoyloxy)-2-[(benzoyloxy)methyl]-2,3,3a,9a-tetrahydro-6-oxo-, methyl ester, [2R-(2α,3β,3aβ,9aβ)]-

Uridine, 6-cyano-2′-deoxy-, 3′,5′-dibenzoate

Uridine, 5-bromo-2′-deoxy-, 3′,5′-dibenzoate

Methyl 1-(3,5-di-O-benzoyl-2-chloro-2-deoxy-β-D-ribofuranosyl)-1,2,3,6-tetrahydro-2,6-dioxo-4-pyrimidinecarboxylate

Methyl 3-(3,5-di-O-benzoyl-2-chloro-2-deoxy-β-D-ribofuranosyl)-1,2,3,6-tetrahydro-2,6-dioxo-4-pyrimidinecarboxylate

Methyl 1,2,3,6-tetrahydro-2,6-dioxo-3-β-D-ribofuranosyl-4-pyrimidinecarboxylate