5-Methyl-1-[5-O-(1-oxopropyl)-α-D-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-(5-O-Acetyl-α-D-arabinofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[5-O-(1-oxopentyl)-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[5-O-(1-oxobutyl)-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[5-O-(1-oxopropyl)-β-D-xylofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-(5-O-Acetyl-β-D-xylofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,4S,5R)-4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-5-ethynyltetrahydro-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2,3-O-[[2-[(2R,3S,5R)-5-(3,4-Dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)tetrahydro-3-hydroxy-2-furanyl]ethyl]borylene]-α-D-ribofuranosyl]-2,4(1H,3H)-pyrimidinedione

2'-O-Dephosphinico-5'-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-2',3'-O-(1-methylethylidene)uridylylmethylene-(6→5')-2',3'-O-(1-methylethylidene)-5'-thioadenosine

2'-O-Dephosphinico-2',3'-O-(1-methylethylidene)uridylylmethylene-(6→5')-8-[[(4-methoxyphenyl)diphenylmethoxy]methyl]-2',3'-O-(1-methylethylidene)-5'-thioadenosine

2'-O-Dephosphinico-5'-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-2',3'-O-(1-methylethylidene)uridylylmethylene-(6→5')-8-[[(4-methoxyphenyl)diphenylmethoxy]methyl]-2',3'-O-(1-methylethylidene)-5'-thioadenosine

1-[(3R)-2,3-Dideoxy-3-(methoxycarbonyl)-3-methyl-α-D-glycero-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

2'-O-Dephosphinico-2',3'-O-(1-methylethylidene)uridylylmethylene-(6→5')-8-(hydroxymethyl)-2',3'-O-(1-methylethylidene)-5'-thioadenosine

1-[(3S)-2,3-Dideoxy-3-(hydroxymethyl)-3-methyl-α-D-glycero-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[(3S)-2,3-Dideoxy-3-(hydroxymethyl)-3-methyl-α-D-glycero-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(3R)-2,3-Dideoxy-3-(hydroxymethyl)-3-methyl-α-D-glycero-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[(3S)-2,3-Dideoxy-3-(methoxycarbonyl)-3-methyl-α-D-glycero-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[(3R)-2,3-Dideoxy-3-(methoxycarbonyl)-3-methyl-D-glycero-pentofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

1-[(3S)-2,3-Dideoxy-3-(hydroxymethyl)-3-methyl-D-glycero-pentofuranosyl]-6-methyl-2,4(1H,3H)-pyrimidinedione

1-[(3aR,6aS)-Hexahydro-3a-methyl-4-oxofuro[3,4-b]furan-2-yl]-6-methyl-2,4(1H,3H)-pyrimidinedione