3′-Cytidylic acid, N-(trimethylsilyl)-2′,5′-bis-O-(trimethylsilyl)-, bis(trimethylsilyl) ester

3′-Uridylic acid, 3-(trimethylsilyl)-2′,5′-bis-O-(trimethylsilyl)-, bis(trimethylsilyl) ester

5′-Guanylic acid, N-(trimethylsilyl)-2′,3′-bis-O-(trimethylsilyl)-, bis(trimethylsilyl) ester

3′-Guanylic acid, N-(trimethylsilyl)-2′,5′-bis-O-(trimethylsilyl)-, bis(trimethylsilyl) ester

3H-Imidazo[2,1-i]purine, 3-[5-O-[1,3,5-trihydroxy-7-oxo-7-(2,4,6-trimethylphenyl)-1,3,5-trioxido-2,4,6-trioxa-1,3,5-triphosphahept-1-yl]-β-D-ribofuranosyl]-

3H-Imidazo[2,1-i]purine, 3-[5-O-[1,3-dihydroxy-1,3-dioxido-5-oxo-5-(2,4,6-trimethylphenyl)-2,4-dioxa-1,3-diphosphapent-1-yl]-β-D-ribofuranosyl]-

Benzoic acid, 2,4,6-trimethyl-, monoanhydride with 3-(5-O-phosphono-β-D-ribofuranosyl)-3H-imidazo[2,1-i]purine

Methyl 5-(aminocarbonyl)-4-hydroxy-1-β-D-ribofuranosyl-1H-pyrazole-3-carboxylate

Methyl 3-(aminocarbonyl)-4-hydroxy-1-β-D-ribofuranosyl-1H-pyrazole-5-carboxylate

1H-Pyrazole-3,5-dicarboxylic acid, 4-hydroxy-1-β-D-ribofuranosyl-, dimethyl ester

3,5-Diethyl 4-hydroxy-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-1H-pyrazole-3,5-dicarboxylate

Thymidine, 5′-O-[2-hydroxy-1-[2-hydroxy-1-(hydroxymethyl)ethoxy]ethyl]-, (R)-

5′-O-β-D-Glucopyranosylthymidine

Uridine, 5′-O-β-D-glucopyranosyl-5-methyl-

7-Chloro-3-β-D-ribofuranosyl-3H-imidazo[4,5-b]pyridine

Adenosine, 2′,5′-dideoxy-, 3′-p-toluenesulfonate

Thymidine, N-benzoyl-5′-O-[[(5-chloro-8-quinolinyl)oxy]hydroxyphosphinyl]-2′-deoxyadenylyl-(3′→5′)-

1-β-D-Arabinofuranosyl-5-fluoro-1,4-dihydro-4-imino-2-pyrimidinamine

5-Fluoro-1,4-dihydro-4-imino-1-(3-O-phosphono-β-D-arabinofuranosyl)-2-pyrimidinamine

Cytidine, 5-fluoro-, cyclic 2′,3′-(hydrogen phosphate)