5′-Uridylic acid, 2′-deoxy-5-[3-(4-nitrophenoxy)-1-propynyl]-

5′-Uridylic acid, 2′-deoxy-5-[3-[(4-methylbenzoyl)oxy]-1-propynyl]-

Adenosine 5′-(tetrahydrogen triphosphate), P′′-(1,3-dihydro-3-methyl-1-oxy-2,1-benzisoxazol-3-yl) ester

5′-Adenylic acid, P,P′-dianhydride with thiodiphosphoric acid ([(OH)2P(O)]2S)

Cytidine, 2′,5′-dichloro-2′,5′-dideoxy-

5′-Uridylic acid, mono[[4-(benzoyloxy)phenyl]methyl] ester

5′-Uridylic acid, [4-(benzoyloxy)phenyl]methyl 2-cyanoethyl ester

Uridine, 5′-[[4-(benzoyloxy)phenyl]methyl 2-cyanoethyl phosphite]

9H-Purin-6-amine, 9-[5-deoxy-2,3-O-(1-methylethylidene)-α-D-lyxo-hexofuranosyl]-

9-[5,6-Dideoxy-2,3-O-(1-methylethylidene)-α-D-lyxo-hex-5-enofuranosyl]-9H-purin-6-amine

9H-Purin-6-amine, 9-[2,3-O-(1-methylethylidene)-5,6-bis-O-(methylsulfonyl)-α-D-mannofuranosyl]-

9H-Purin-6-amine, 9-[5,6-di-O-benzoyl-2,3-O-(1-methylethylidene)-α-D-mannofuranosyl]-

9-[2,3-O-(1-Methylethylidene)-α-D-mannofuranosyl]-9H-purin-6-amine

9-(5,6-Dideoxy-α-L-lyxo-hex-5-enofuranosyl)-9H-purin-6-amine

9-[6-Deoxy-2,3-O-(1-methylethylidene)-5-O-[(4-methylphenyl)sulfonyl]-α-L-mannofuranosyl]-9H-purin-6-amine

9-(5,6-Dideoxy-β-D-xylo-hex-5-enofuranosyl)-9H-purin-6-amine

9-(2,3-Di-O-acetyl-5,6-dideoxy-β-D-xylo-hex-5-enofuranosyl)-9H-purin-6-amine

9-α-L-Idofuranosyl-9H-purin-6-amine

9-[2,3-Di-O-acetyl-5,6-bis-O-[(4-methylphenyl)sulfonyl]-β-D-glucofuranosyl]-9H-purin-6-amine

3′-Adenylic acid, N-(trimethylsilyl)-2′,5′-bis-O-(trimethylsilyl)-, bis(trimethylsilyl) ester