Adenosine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

7-Chloro-3-β-D-ribofuranosyl-3H-1,2,3-triazolo[4,5-b]pyridine

N,N-Dimethyl-3-β-D-ribofuranosyl-3H-1,2,3-triazolo[4,5-b]pyridin-7-amine

Guanosine, 8-(benz[a]anthracen-7-ylmethyl)-, cyclic 2′,3′-(hydrogen phosphate)

Guanosine, 2′-deoxy-8-[methyl[4-(phenylazo)phenyl]amino]-

Cytidine, N-benzoyl-2′,5′-dichloro-2′,5′-dideoxy-, 3′-acetate

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

Cytidine, N-benzoyl-5′-chloro-5′-deoxy-

Uridine, 2′-chloro-2′-deoxy-, 5′-acetate

1-[(2R,4R,5R)-4-Bromo-5-(bromomethyl)tetrahydro-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-[(2R,4R,5R)-4-Chloro-5-(chloromethyl)tetrahydro-2-furanyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

1-(3-Chloro-2,3-dideoxy-β-D-threo-pentofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione

N-Acetyl-5′-chloro-5′-deoxycytidine

Cytidine, 5′-chloro-5′-deoxy-N-(triphenylphosphoranylidene)-, 2′,3′-diacetate

5′-Chloro-5′-deoxy-N-(triphenylphosphoranylidene)cytidine

N-Benzoyl-5′-chloro-5′-deoxyadenosine

Adenosine, N,1-dibenzoyl-5′-chloro-5′-deoxy-, 2′,3′-dibenzoate

Uridine, 5′-chloro-5′-deoxy-, 2′,3′-diacetate

N-(2-Furanylmethyl)-3-β-D-ribofuranosyl-3H-1,2,3-triazolo[4,5-b]pyridin-7-amine

N-Methyl-3-β-D-ribofuranosyl-3H-1,2,3-triazolo[4,5-b]pyridin-7-amine