1-[2,3-Dideoxy-3-(hydroxymethyl)-β-D-threo-pentofuranosyl]-2,4(1H,3H)-pyrimidinedione

2,4(1H,3H)-Pyrimidinedione, 1-(hexahydro-4-hydroxyfuro[3,4-b]furan-2-yl)-, [2R-(2α,3aβ,4β,6aβ)]-

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

2,4(1H,3H)-Pyrimidinedione, 1-(hexahydro-3,4-dihydroxyfuro[3,4-b]furan-2-yl)-, [2R-(2α,3β,3aβ,4β,6aβ)]-

(6R,7S,8R,9R)-6,7,8,9-Tetrahydro-7,8-dihydroxy-6,9-epoxypyrimido[1,6-a]azepine-1,3(2H,5H)-dione

(3aR,4R,11R,11aR)-3a,10,11,11a-Tetrahydro-2,2-dimethyl-4,11-epoxy-1,3-dioxolo[4,5-e]pyrimido[1,6-a]azepine-6,8(4H,7H)-dione

Uridine, 5′-bromo-5-chloro-5′-deoxy-2′,3′-O-(1-methylethylidene)-

N-[1-(5-O-β-D-Glucopyranuronosyl-β-D-arabinofuranosyl)-1,2-dihydro-2-oxo-4-pyrimidinyl]acetamide

1,6-Dihydro-6-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-5H-pyrazolo[4,3-g]quinazolin-5-one

2,6-Dihydro-2-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-5H-pyrazolo[4,3-g]quinazolin-5-one

5H-Pyrazolo[4,3-g]quinazolin-5-one, 2,6-dihydro-2,6-di-β-D-ribofuranosyl-

5H-Pyrazolo[4,3-g]quinazolin-5-one, 1,6-dihydro-1,6-di-β-D-ribofuranosyl-

1,6-Dihydro-6-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-5H-pyrazolo[4,3-g]quinazolin-5-one

2,6-Dihydro-2-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-5H-pyrazolo[4,3-g]quinazolin-5-one

1,6-Dihydro-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-5H-pyrazolo[4,3-g]quinazolin-5-one

1,8-Dihydro-8-β-D-ribofuranosyl-9H-pyrazolo[3,4-f]quinazolin-9-one

5-Amino-6-methyl-3-β-D-ribofuranosyl-4(3H)-quinazolinone

6-Methyl-5-nitro-3-β-D-ribofuranosyl-4(3H)-quinazolinone

5-Amino-6-methyl-3-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-4(3H)-quinazolinone

6-Methyl-5-nitro-3-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-4(3H)-quinazolinone