β-D-Glucofuranuronic acid, 1-deoxy-1-(5-fluoro-3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-, γ-lactone, 2,5-diacetate

2-Amino-7-(2-azido-2-deoxy-α-D-arabinofuranosyl)-1,7-dihydro-6H-purin-6-one

2-Amino-7-(2-azido-2-deoxy-β-D-arabinofuranosyl)-1,7-dihydro-6H-purin-6-one

N-[7-(3-O-Acetyl-2-azido-5-O-benzoyl-2-deoxy-α-D-arabinofuranosyl)-6,7-dihydro-6-oxo-1H-purin-2-yl]acetamide

N-[9-(3-O-Acetyl-2-azido-5-O-benzoyl-2-deoxy-β-D-arabinofuranosyl)-6,9-dihydro-6-oxo-1H-purin-2-yl]acetamide

N-[7-(3-O-Acetyl-2-azido-5-O-benzoyl-2-deoxy-β-D-arabinofuranosyl)-6,7-dihydro-6-oxo-1H-purin-2-yl]acetamide

9-(2-Azido-2-deoxy-α-D-arabinofuranosyl)-9H-purin-6-amine

7-(3-O-Acetyl-2-azido-5-O-benzoyl-2-deoxy-β-D-arabinofuranosyl)-6-chloro-7H-purine

N-[9-(3-O-Acetyl-2-azido-5-O-benzoyl-2-deoxy-α-D-arabinofuranosyl)-6,9-dihydro-6-oxo-1H-purin-2-yl]acetamide

7-(3-O-Acetyl-2-azido-5-O-benzoyl-2-deoxy-α-D-arabinofuranosyl)-6-chloro-7H-purine

9-(3-O-Acetyl-2-azido-5-O-benzoyl-2-deoxy-β-D-arabinofuranosyl)-6-chloro-9H-purine

9-(3-O-Acetyl-2-azido-5-O-benzoyl-2-deoxy-α-D-arabinofuranosyl)-6-chloro-9H-purine

3,7-Dihydro-7-methyl-3-β-D-ribofuranosyl-8H-imidazo[4,5-g]quinazolin-8-one

8H-Imidazo[4,5-g]quinazolin-8-one, 1,5-dihydro-1-β-D-ribofuranosyl-

8H-Imidazo[4,5-g]quinazolin-8-one, 6-(ethylthio)-3,5-dihydro-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-

8H-Imidazo[4,5-g]quinazolin-8-one, 6-(ethylthio)-1,5-dihydro-1-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-

6-Amino-3,7-dihydro-3-β-D-ribofuranosyl-8H-imidazo[4,5-g]quinazolin-8-one

5-Fluoro-1,2,3,6-tetrahydro-2,6-dioxo-3-(5-O-phosphono-β-D-ribofuranosyl)-4-pyrimidinecarboxylic acid

4-Amino-5-ethyl-1-(2,3,5-tri-O-benzoyl-β-D-arabinofuranosyl)-2(1H)-pyrimidinone

Hexadecanoic acid, 2,3,3a,9a-tetrahydro-6-imino-2-[(phosphonooxy)methyl]-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-3-yl ester, [2R-(2α,3β,3aβ,9aβ)]-