5-Methyl-1-[2,3,5-tri-O-acetyl-4-C-[(acetyloxy)methyl]-α-L-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[4-C-[(1-oxobutoxy)methyl]-2,3,5-tris-O-(1-oxobutyl)-α-L-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[4-C-[(1-oxobutoxy)methyl]-2,3-bis-O-(1-oxobutyl)-α-L-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[4-C-[(1-oxopropoxy)methyl]-2,3-bis-O-(1-oxopropyl)-α-L-arabinofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[2,3-Di-O-acetyl-4-C-[(acetyloxy)methyl]-α-L-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[2,3,5-tris-O-(1-oxohexyl)-4-C-[[(1-oxohexyl)oxy]methyl]-α-L-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

5-Methyl-1-[2,3,5-tris-O-(1-oxopentyl)-4-C-[[(1-oxopentyl)oxy]methyl]-α-L-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

1-[3-O-Acetyl-4-C-[(acetyloxy)methyl]-2,5-anhydro-α-L-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2,3-Di-O-acetyl-4-C-[(acetyloxy)methyl]-5-O-[(4-methylphenyl)sulfonyl]-α-L-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2,3-Bis-O-(1-oxohexyl)-4-C-[[(1-oxohexyl)oxy]methyl]-α-L-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[2,3-Bis-O-(1-oxopentyl)-4-C-[[(1-oxopentyl)oxy]methyl]-α-L-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-Benzoyl-2-deoxy-4-C-ethynyl-3-O-[(trifluoromethyl)sulfonyl]-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-Benzoyl-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-ethynyl-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[5-O-Acetyl-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-4-C-methyl-β-D-threo-pentofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

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

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

1-[2,3-O-Cyclopentylidene-6,7-dideoxy-5-O-[2,3-di-O-benzoyl-5-O-[tris(1-methylethyl)silyl]-β-D-ribofuranosyl]-α-L-talo-hept-6-ynofuranosyl]-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[2,3-O-Cyclopentylidene-6,7-dideoxy-5-O-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-α-L-talo-hept-6-ynofuranosyl]-3-[(phenylmethoxy)methyl]-2,4(1H,3H)-pyrimidinedione

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-β-D-ribofuranosyl]-4-methyl-1H-benzimidazole

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-β-D-ribofuranosyl]-4-methyl-1H-benzimidazole