6-Chloro-8-ethoxy-2-(ethylthio)-9-β-D-ribofuranosyl-9H-purine

6-Chloro-8-methoxy-2-(propylthio)-9-β-D-ribofuranosyl-9H-purine

6-Chloro-2-(ethylthio)-8-methoxy-9-β-D-ribofuranosyl-9H-purine

8-Bromo-6-chloro-2-(propylthio)-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purine

8-Bromo-6-chloro-2-(ethylthio)-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purine

8-Bromo-6-chloro-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purin-2-amine

1-(3,5-Di-O-benzoyl-2-deoxy-2,2-difluoro-α-D-erythro-pentofuranosyl)-4-[(trimethylsilyl)amino]-2(1H)-pyrimidinone

Uridine, adenylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-

Uridylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-adenosine

Adenosine, uridylyl-(3′→5′)-adenylyl-(3′→5′)-uridylyl-(3′→5′)-adenylyl-(3′→5′)-adenylyl-(3′→5′)-

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-6-[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-5,6-dihydro-5-hydroxy-, mono(2-cyanoethyl) ester, intramol. 3′,5′′′-ester, (5R,6S)-

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-6-[1-[2-deoxy-3-O-(1,4-dioxopentyl)-β-D-erythro-pentofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-5,6-dihydro-5-hydroxy-, mono(2-cyanoethyl) ester, intramol. 3′,5′′′-ester, (5R,6S)-

3′-Thymidylic acid, 6-[1-[2-deoxy-3-O-(1,4-dioxopentyl)-β-D-erythro-pentofuranosyl]-1,2-dihydro-5-methyl-2-oxo-4-pyrimidinyl]-5,6-dihydro-5-hydroxy-, mono(2-cyanoethyl) ester, intramol. 3′,5′′′-ester, (5R,6S)-

Uridine, 5-nitro-2,4-dithio-

Uridine, 5-nitro-2-thio-

Uridine, 5-nitro-2,4-dithio-, 2′,3′,5′-triacetate

Uridine, 5-nitro-2-thio-, 2′,3′,5′-triacetate

3′-Uridylic acid, monomethyl ester, 2′,5′-diacetate

Guanylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-guanosine

Guanylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-guanylyl-(3′→5′)-guanosine