4-Amino-7-(2-deoxy-4-C-ethynyl-2-fluoro-β-D-arabinofuranosyl)-5-fluoro-1,7-dihydro-2H-pyrrolo[2,3-d]pyrimidin-2-one

7-(2-Deoxy-4-C-ethynyl-2-fluoro-β-D-arabinofuranosyl)-5-fluoro-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one

1-[(2R,4R,5R)-4,5-Bis(acetyloxy)-3-bromotetrahydro-5-[2-(triethylsilyl)ethynyl]-2-furanyl]-2,4(1H,3H)-pyrimidinedione

1-[(5S)-4,5-Dihydro-3-hydroxy-5-(hydroxymethyl)-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,3S,3aS,6aS)-3-Fluorohexahydrofuro[3,4-b]furan-2-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,5S,7S,8S)-5-(Hydroxymethyl)-8-(phenylmethoxy)-3,6-dioxabicyclo[3.2.1]oct-7-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1S,3R,5S)-1-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]-6,6-difluoro-2-oxabicyclo[3.1.0]hex-3-yl]-3-[(4-methoxyphenyl)methyl]-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[(2R,4S,5R)-5-[2-[[[(2R,3S,5R)-2-[2-[bis(4-methoxyphenyl)phenylmethoxy]ethyl]-5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-3-furanyl]methyl]thio]ethyl]tetrahydro-4-[[(phenylmethyl)thio]methyl]-2-furanyl]-

1-[(4R,6R,6aS)-2,4,6,6a-Tetrahydro-6-(hydroxymethyl)-2-oxofuro[3,4-b]furan-4-yl]-2,4(1H,3H)-pyrimidinedione

1-[3-Deoxy-3-[hydroxy(phenylmethyl)amino]-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-Deoxy-3-[[(3,4-dimethoxyphenyl)methyl]hydroxyamino]-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-[[(3-Chloro[1,1'-biphenyl]-2-yl)methyl]hydroxyamino]-3-deoxy-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-Deoxy-3-[[(2,4-dichlorophenyl)methyl]hydroxyamino]-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-Deoxy-3-[(3,7-dimethyl-6-octen-1-yl)hydroxyamino]-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-[(Cyclohexylmethyl)hydroxyamino]-3-deoxy-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[2-(2-chloro-6-fluorophenyl)hexahydro-1,7-dihydroxy-2H-furo[3,2-d][1,3]oxazin-6-yl]-, [2R-(2α,4aβ,6α,7β,7aβ)]-

2,4(1H,3H)-Pyrimidinedione, 1-[2-(2,4-dichlorophenyl)hexahydro-1,7-dihydroxy-2H-furo[3,2-d][1,3]oxazin-6-yl]-, [2R-(2α,4aβ,6α,7β,7aβ)]-

2,4(1H,3H)-Pyrimidinedione, 1-[3-deoxy-3-[[(3,4-dimethoxyphenyl)methyl]oxyamino]-β-D-xylofuranosyl]-

1-[(1S,4R,6R,7R,8R)-7-(Acetyloxy)-1-methyl-8-(phenylmethoxy)-2-(phenylmethyl)-5-oxa-2-azaspiro[3.4]oct-6-yl]-2,4(1H,3H)-pyrimidinedione

1-[(1S,4R,6R,7R,8R)-7-(Acetyloxy)-1-methyl-8-(phenylmethoxy)-5-oxa-2-thiaspiro[3.4]oct-6-yl]-2,4(1H,3H)-pyrimidinedione