8-Chloro-9-(5-deoxy-5-sulfo-β-D-xylofuranosyl)-9H-purin-6-amine

5′-Cytidylic acid, mono[2-(4-aminophenyl)ethyl] ester

[(4,9-Dihydro-7-methyl-9-oxo-3-β-D-ribofuranosyl-3H-imidazo[1,2-a]purin-6-yl)methyl]triphenylphosphonium

Inosine, (4-methoxy-6-methyl-2-pyrimidinyl)hydrazone

5′-Xanthylic acid, 2-S-(2-ethylhexyl)-2-thio-

5′-Xanthylic acid, 2-S-2-butenyl-2-thio-

Ethyl 4-amino-7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidine-5-carboximidate

2′-Adenylic acid, monomethyl ester

Adenosine, N,N-dimethyladenylyl-(2′→5′)-N,N-dimethyl-

1,9-Dihydro-2-(methylamino)-9-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-6H-purine-6-thione

1,9-Dihydro-2-(methylamino)-9-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-6H-purin-6-one

9-β-D-Arabinofuranosyl-1,9-dihydro-2-(methylamino)-6H-purine-6-thione

2-Amino-1,9-dihydro-9-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-6H-purin-6-one

9-β-D-Arabinofuranosyl-2-(ethylamino)-1,9-dihydro-6H-purin-6-one

9-β-D-Arabinofuranosyl-1,9-dihydro-2-(methylamino)-6H-purin-6-one

5′-Uridylic acid, 2′-deoxy-5-ethyl-3′-O-(triphenylmethyl)-

Uridine, 2′-deoxy-5-ethyl-, 3′-acetate

Adenosine 5′-(trihydrogen diphosphate), monoanhydride with (methylsulfonyl)formic acid

5′-Adenylic acid, monoanhydride with (methylsulfonyl)formic acid

5′-Adenylic acid, monoanhydride with phosphorazidic acid