Adenosine, 3′-O-(carboxymethyl)-2′-deoxy-

N-(2-Mercaptoethyl)adenosine

Butanamide, N-[1,2-dihydro-2-oxo-1-[2,3,5-tris-O-(1-oxobutyl)-β-D-arabinofuranosyl]-4-pyrimidinyl]-

2(1H)-Pyrimidinone, 4-amino-1-[2,3,5-tris-O-(1-oxobutyl)-β-D-arabinofuranosyl]-

Adenosine, 7,8-dihydro-N-(1-oxobutyl)-8-thioxo-, cyclic 3′,5′-(hydrogen phosphate) 2′-butanoate

Uridine, 3-deaza-4-deoxyuridylyl-(5′→3′)-uridylyl-(5′→3′)-

3′-Uridylic acid, 3′→5′-ester with 1-β-D-ribofuranosyl-2(1H)-pyrimidinone

3-Deazauridine, uridylyl-(3′→5′)-

8-Iodo-3-β-D-ribofuranosyl-3H-purin-6-amine

8-Chloro-3-β-D-ribofuranosyl-3H-purin-6-amine

Adenosine, 8-iodo-, 2′,3′,5′-tribenzoate

Uridine, 2′-azido-2′-deoxy-, 3′-acetate

Uridine, 2′-azido-2′-deoxy-5′-O-(triphenylmethyl)-, 3′-acetate

2′-Azido-2′-deoxy-5′-O-(triphenylmethyl)uridine

3′-Uridylic acid, 2′-amino-2′-deoxy-

5′-Uridylic acid, 2′-amino-2′-deoxy-

Benzamide, N-(9-β-D-ribofuranosyl-9H-purin-6-yl)-, P,P′-dihydrogen pyrophosphate (ester) (2:1)

8-Iodo-3-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-3H-purin-6-amine

6-Cyano-2′,3′-O-(1-methylethylidene)uridine

Adenosine, cyclic 2′,3′-(hydrogen methoxyorthoacetate)