Uridine, guanylyl-(2′→3′)-2′-amino-2′-deoxy-

Guanosine, 2′-amino-2′-deoxyuridylyl-(3′→3′)-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(dimethylamino)methylene]-8-[3-[(1-pyrenylcarbonyl)amino]propyl]-

Adenosine, 2′-deoxy-N-[(dimethylamino)methylene]-8-[3-[(1-pyrenylcarbonyl)amino]propyl]-

2′-Deoxy-8-[3-[(1-pyrenylcarbonyl)amino]propyl]adenosine

Adenosine, 2′-deoxy-8-[3-[(1-pyrenylcarbonyl)amino]-1-propynyl]-

(8R,9S,11R)-2-Amino-8,9,10,11-tetrahydro-9-(phosphonooxy)-8,11-epoxy-7H-[1,3]oxazocino[3,2-e]purin-4(3H)-one

8-Hydroxyguanosin-7(8H)-yl

1-(3,5-Di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-3-hydroxy-2-methyl-4(1H)-pyridinethione

1-(2-Deoxy-β-D-erythro-pentofuranosyl)-3-hydroxy-2-methyl-4(1H)-pyridinethione

Inosine, 2-(2-propynyl)-

6-Chloro-2-(2-propyn-1-yl)-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purine

6-Chloro-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-2-(tributylstannyl)-9H-purine

1-(6-Chloro-9-β-D-ribofuranosyl-9H-purin-2-yl)-2-propanone

1-[6-Chloro-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)-9H-purin-2-yl]-2-propanone

Cytidine, 2′-O-methyl-, 5′→P′′-ester with [P′′(R)]-P-amido-P′′-thiotriphosphoric acid

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-6-deamino-2′-deoxy-6-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-P(S)-phenyl-P-thioadenylyl-(3′→5′)-6-deamino-2′-deoxy-6-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-, 3′-(S,S-diphenyl phosphorodithioate)

Adenosine, 3′,5′-bis-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-

2-[9-[3,5-Bis-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-1H-isoindole-1,3(2H)-dione

2-[9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[bis(phenylthio)phosphinyl]-2-deoxy-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]-1H-isoindole-1,3(2H)-dione