N-[9-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]purin-6-yl]-2-phenoxyacetamide

1-[3-[[(2R,3S,4R,5R)-5-(4-aminopyrrolo[2,3-d]pyrimidin-7-yl)-3,4-dihydroxyoxolan-2-yl]methyl-propan-2-ylamino]propyl]-3-(4-tert-butylphenyl)urea

1-[(2R,3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)-3-methyloxolan-2-yl]pyrimidine-2,4-dione

(2R,3R,4S,5R)-5-(6-aminopurin-9-yl)-4-fluoro-2-(hydroxymethyl)oxolan-3-ol

9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-(methylamino)-3H-purin-6-one

1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione

4-amino-5-bromo-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one

(2R,3S,4R,5R)-2-(hydroxymethyl)-5-[6-[(4-hydroxy-3-methylbutyl)amino]purin-9-yl]oxolane-3,4-diol

5-ethyl-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione

5-hydroxy-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione

(2R,3R,4R,5R)-2-(4-aminopyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)-3-methyloxolane-3,4-diol

1-[(2R,4S,5R)-4-hydroxy-5-methyloxolan-2-yl]-5-methylpyrimidine-2,4-dione