1-[(3aR,4R,6aS)-6,6-Bis[(benzoyloxy)methyl]tetrahydro-2-oxidofuro[3,4-d]-1,3,2-dioxathiol-4-yl]-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-9-[[dimethyl(1,1,2-trimethylpropyl)silyl]oxy]-6-[[[dimethyl(1,1,2-trimethylpropyl)silyl]oxy]methyl]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

1-[(5R,6R,8R,9R)-4-Amino-6-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-9-[[dimethyl(1,1,2-trimethylpropyl)silyl]oxy]-2,2-dioxido-1,7-dioxa-2-thiaspiro[4.4]non-3-en-8-yl]-3,5-dimethyl-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[2-[(bromoacetyl)amino]-2-deoxy-β-D-xylofuranosyl]-

5'-S-2-Benzoxazolyl-N-[2-(3,4-dimethoxyphenyl)ethyl]-N-methyl-2',3'-O-(1-methylethylidene)-5'-thioadenosine

1-[(2R,4R,5R)-4-(Benzoyloxy)tetrahydro-5-(hydroxymethyl)-5-methoxy-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

5-Bromo-1-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-[3-[(bromoacetyl)amino]-3-deoxy-β-D-arabinofuranosyl]-

5'-S-(4-Chlorophenyl)-N-[2-(3,4-dimethoxyphenyl)ethyl]-N-methyl-5'-thioadenosine

5'-S-(2-Fluorophenyl)-N-[(1S,2R)-2-hydroxycyclopentyl]-5'-thioadenosine

5'-S-(2-Chlorophenyl)-N-[2-(3,4-dimethoxyphenyl)ethyl]-N-methyl-5'-thioadenosine

5'-O-[Bis(4-methoxyphenyl)phenylmethyl]-5-[(1E)-3-[[2-[bis[2-[(2,2,2-trifluoroacetyl)amino]ethyl]amino]ethyl]amino]-3-oxo-1-propen-1-yl]-2'-deoxyuridine

N-Bicyclo[3.1.1]hept-3-yl-5'-S-(2-fluorophenyl)-5'-thioadenosine

1-[(1R,3R,4R,7S)-7-Hydroxy-1-(hydroxymethyl)-5-(3-perylenylcarbonyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(1R,3R,4R,7S)-1-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-7-hydroxy-5-(3-perylenylcarbonyl)-2-oxa-5-azabicyclo[2.2.1]hept-3-yl]-5-methyl-2,4(1H,3H)-pyrimidinedione

[[(2S,5R)-5-[4-Amino-2-oxo-5-[2-[4-[2-[(2,2,2-trifluoroacetyl)amino]ethoxy]phenyl]ethynyl]-1(2H)-pyrimidinyl]tetrahydro-2-furanyl]methoxy]hydroxyphosphinyl 1H-imidazole-1-carboxylate

3-Benzoyl-1-(3,5-di-O-benzoyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-5-[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]propyl]-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-2-fluoro-β-D-arabinofuranosyl)-5-(5-fluoropentyl)-2,4(1H,3H)-pyrimidinedione

1-(2-Deoxy-2-fluoro-β-D-arabinofuranosyl)-5-(3-fluoropropyl)-2,4(1H,3H)-pyrimidinedione

3-Benzoyl-1-(3,5-di-O-benzoyl-2-deoxy-2-fluoro-β-D-arabinofuranosyl)-5-[3-[(methylsulfonyl)oxy]propyl]-2,4(1H,3H)-pyrimidinedione