2′-Deoxy-5,6-dihydro-5-(phenylseleno)-3′,5′-bis-O-(triethylsilyl)uridine

α-[1-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-α-hydroxy-3-[(phenylmethoxy)methyl]thymidine

6-Amino-3-[2-(4-fluorophenyl)ethyl]-1,5-dihydro-1-(5-O-phosphono-β-D-ribofuranosyl)-4H-pyrazolo[3,4-d]pyrimidin-4-one

3-[2-(1-Naphthalenyl)ethyl]-1-(5-O-phosphono-β-D-ribofuranosyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

Cytidine 5′-(trihydrogen diphosphate), P′→1-ester with D-myo-inositol

6-Amino-1,5-dihydro-3-(3-phenylpropyl)-1-(5-O-phosphono-β-D-ribofuranosyl)-4H-pyrazolo[3,4-d]pyrimidin-4-one

6-Amino-1,5-dihydro-3-(2-phenylethyl)-1-(5-O-phosphono-β-D-ribofuranosyl)-4H-pyrazolo[3,4-d]pyrimidin-4-one

6-Amino-1,5-dihydro-3-(3-methylbutyl)-1-(5-O-phosphono-β-D-ribofuranosyl)-4H-pyrazolo[3,4-d]pyrimidin-4-one

3-(2-Phenylethyl)-1-(5-O-phosphono-β-D-ribofuranosyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

6-Amino-3-(3,3-dimethylbutyl)-1,5-dihydro-1-(5-O-phosphono-β-D-ribofuranosyl)-4H-pyrazolo[3,4-d]pyrimidin-4-one

6-Amino-3-(2-cyclohexylethyl)-1,5-dihydro-1-(5-O-phosphono-β-D-ribofuranosyl)-4H-pyrazolo[3,4-d]pyrimidin-4-one

3-(2-Phenylethyl)-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

(2S,5R)-5-(2-Amino-4-fluoro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)tetrahydro-2-furanmethanol

6-O-[2-[[3-(2,5-Dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethyl]-2′,3′,5′-tris-O-(triethylsilyl)guanosine

2′,3′-Dideoxy-3′-fluoro-5-(1-tetradecyn-1-yl)uridine

2',3'-Dideoxy-5-(1-dodecyn-1-yl)-3'-fluorouridine

2′,3′-Dideoxy-3′-fluoro-5-(1-tridecyn-1-yl)uridine

5-(1-Decyn-1-yl)-2',3'-dideoxy-3'-fluorouridine

2′,3′-Dideoxy-3′-fluoro-5-(1-heptyn-1-yl)uridine

Uridine, 5-chloro-2′,3′-dideoxy-4-thio-, 5′-acetate