9H-Purin-2-amine, 6,6′-dithiobis[9-β-L-ribofuranosyl-

2(1H)-Pyrimidinone, 4,4′-dithiobis[1-β-L-ribofuranosyl-

(6S,7S,8R,9S)-3-Fluoro-7,8,9,10-tetrahydro-7,8-dihydroxy-6,9-epoxy-2H,6H-pyrimido[2,1-b][1,3]oxazocin-2-one

6-Chloro-9-(3-deoxy-β-L-erythro-pentofuranosyl)-9H-purine

6-Chloro-9-β-L-ribofuranosyl-9H-purine

6-Chloro-9-(2,3-di-O-acetyl-β-L-ribofuranosyl)-2-iodo-9H-purine

6-Chloro-9-(2,3-di-O-acetyl-β-D-ribofuranosyl)-2-iodo-9H-purine

6-Chloro-9-(2,3-dideoxy-2-fluoro-β-L-threo-pentofuranosyl)-9H-purine

3-β-L-Ribofuranosyl-3H-1,2,3-triazolo[4,5-d]pyrimidin-7-amine

9-(3-Deoxy-3-fluoro-β-L-ribofuranosyl)-9H-purin-6-amine

5-Amino-3,6-dihydro-3-β-L-ribofuranosyl-7H-1,2,3-triazolo[4,5-d]pyrimidin-7-one

5-Hydroxy-1-β-L-ribofuranosyl-2,4(1H,3H)-pyrimidinedione

4-[(2-Phenylethyl)amino]-1-β-L-ribofuranosyl-2(1H)-pyrimidinone

4-Azido-1-[(2S,5R)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-2(1H)-pyrimidinone

4-Azido-1-[(2R,5S)-tetrahydro-5-(hydroxymethyl)-2-furanyl]-2(1H)-pyrimidinone

5-Fluoro-3,4-dihydro-1-β-L-ribofuranosyl-4-thioxo-2(1H)-pyrimidinone

3,4-Dihydro-1-β-L-ribofuranosyl-4-thioxo-2(1H)-pyrimidinone

1-(2-Deoxy-2-fluoro-β-L-ribofuranosyl)-4-(methylthio)-2(1H)-pyrimidinone

1-(2,3-Di-O-benzoyl-β-L-ribofuranosyl)-4-ethoxy-2(1H)-pyrimidinone

Uridine, 4-O-ethyl-, 2′,3′-dibenzoate