1-(2-Deoxy-β-D-ribo-hexofuranosyl)-2,4(1H,3H)-pyrimidinedione

5′-O-Phosphonoadenylyl-(3′→5′)-adenosine

5-Amino-1-[2,3,5-tris-O-(phenylmethyl)-β-D-arabinofuranosyl]-1H-1,2,3-triazole-4-carboxamide

3′-Adenylic acid, thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-P,5′-dithio-, O-2-cyanoethyl ester

Thymidylyl-(3′→5′)-5′-thiothymidine

1,2,4-Triazine-3,5(2H,4H)-dione, 2-β-D-ribofuranosyl-, 5-[(2,3-dihydro-3-oxo-2-β-D-ribofuranosyl-1,2,4-triazin-5-yl)hydrazone]

5′-Adenylic acid, 8-(1-hydroxy-1-methylethyl)-

β-D-Ribofuranuronic acid, 1-(6-amino-9H-purin-9-yl)-1-deoxy-, butyl ester

7H-1,2,3-Triazolo[4,5-d]pyrimidin-7-one, 3-(2-deoxy-α-D-erythro-pentofuranosyl)-3,4-dihydro-

3-[2,3,5-Tris-O-(phenylmethyl)-α-D-arabinofuranosyl]-3H-1,2,3-triazolo[4,5-d]pyrimidin-7-amine

3-[2,3,5-Tris-O-(phenylmethyl)-β-D-arabinofuranosyl]-3H-1,2,3-triazolo[4,5-d]pyrimidin-7-amine

Uridine, 2′-O-(tetrahydro-2H-pyran-2-yl)-P-(2,2,2-trichloroethyl)uridylyl-(3′→5′)-2′-O-(tetrahydro-2H-pyran-2-yl)-P-(2,2,2-trichloroethyl)uridylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-

Uridine, 5′-O-acetyl-2′-O-(tetrahydro-2H-pyran-2-yl)-P-(2,2,2-trichloroethyl)uridylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-

Uridine, P-(2-cyanoethyl)-5′-O-formyl-2′-O-(tetrahydro-2H-pyran-2-yl)uridylyl-(3′→5′)-P-(2-cyanoethyl)-2′-O-(tetrahydro-2H-pyran-2-yl)uridylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-

Uridine, P-(2-cyanoethyl)-2′-O-(tetrahydro-2H-pyran-2-yl)uridylyl-(3′→5′)-2′,3′-O-(ethoxymethylene)-

Uridine, 2′,3′,5′-triformate

2,4(1H,3H)-Pteridinedione, 6,7-diphenyl-1,3-di-β-D-ribofuranosyl-

1-(6-Amino-9H-purin-9-yl)-N-cyclopentyl-1-deoxy-β-D-ribofuranuronamide

1-(5-Azido-5-deoxy-β-D-allofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(5-Azido-2,3,6-tri-O-benzoyl-5-deoxy-β-D-allofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione