Butanoic acid, 4-[[9-[5-O-(3-carboxy-1-oxopropyl)-β-D-ribofuranosyl]-9H-purin-6-yl]amino]-4-oxo-

Butanoic acid, 4-oxo-4-[[9-[2-O-(1-oxobutyl)-3,5-O-phosphinico-β-D-ribofuranosyl]-9H-purin-6-yl]amino]-

2,3,4,7-Tetrahydro-4-hydroxy-7-β-D-ribofuranosyl-6H-pyrimido[1,6-a]pyrimidin-6-one

5′-Cytidylic acid, 5-hexyl-

5-Amino-1-(5-deoxy-β-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboximidamide

5′-Uridylic acid, 3,12-diaza-6,9-diazoniadispiro[5.2.5.2]hexadecane-3,12-diylbis(2-hydroxy-3,1-propanediyl) ester

9-(Acetyloxy)-5,11-dimethyl-2-[2,3,5-tris-O-(phenylmethyl)-β-D-arabinofuranosyl]-6H-pyrido[4,3-b]carbazolium

Thymidine, 3′-[5-[diethyl[4-(triethylammonio)butyl]ammonio]pentanoate]

4-Amino-1-[(4aR,5R,7R,7aR)-hexahydro-2-hydroxy-5-(hydroxymethyl)-2-oxidofuro[3,4-e]-1,4,2-dioxaphosphorin-7-yl]-2(1H)-pyrimidinone

4-Amino-1-methyl-3-[2,3-O-(1-methylethylidene)-β-D-ribofuranosyl]-5-[(phenylmethoxy)carbonyl]-1H-imidazolium

2′-Uridylic acid, 5′-(4-diazoniophenyl hydrogen phosphate)

3′-Adenylic acid, 2′-deoxy-, 3′→5′-ester with 1-(2-deoxy-β-D-erythro-pentofuranosyl)-6,7-diphenyl-2,4(1H,3H)-pteridinedione

Adenosine, 1-ethoxy-2′,3′-O-(1-methylethylidene)-

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

Propanamide, N-[1,4,6a,7,8,9a-hexahydro-4-oxo-7-[(tetrahydro-2-furanyl)oxy]-8-[[(tetrahydro-2-furanyl)oxy]methyl]furo[2′,3′:4,5]oxazolo[3,2-e]purin-2-yl]-2-methyl-, [6aS-(6aα,7α,8β,9aα)]-

N-5′-Uridylyl-L-alanine

Guanosine, 2′-deoxy-6-O-(7,8,9,10-tetrahydro-7,8,9-trihydroxybenzo[a]pyren-10-yl)-

N-[9-[3,5-Bis-O-(tetrahydro-2-furanyl)-β-D-arabinofuranosyl]-6,7,8,9-tetrahydro-6-oxo-8-thioxo-1H-purin-2-yl]-2-methylpropanamide

Guanosine, 2′-deoxy-2′-fluoro-N-(2-methyl-1-oxopropyl)-3′,5′-bis-O-(tetrahydro-2-furanyl)-

N-[9-[3,5-Bis-O-(tetrahydro-2-furanyl)-β-D-arabinofuranosyl]-6,9-dihydro-6-oxo-1H-purin-2-yl]-2-methylpropanamide