9-[2,3-Bis-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-xylofuranosyl]-9H-purin-6-amine

9-[2,3-Bis-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-5-O-[(4-methoxyphenyl)diphenylmethyl]-β-D-arabinofuranosyl]-9H-purin-6-amine

Adenosine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 2′,3′-bis[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, 2′,3′-dideoxy-5′-O-(4,6-dihydroxy-4,6-dioxido-1,3,5,2,4,6-trioxatriphosphorinan-2-yl)-

Cytidine, 2′,3′-dideoxy-5′-O-(4-oxo-4H-1,3,2-benzodioxaphosphorin-2-yl)-

Thymidine, 3′-[S,S-bis(2-cyanoethyl) phosphorodithioate] 5′-(2-phenoxyacetate)

Adenosine, N-(2-phenoxyacetyl)-, 5′-[S,S-bis(2-cyanoethyl) phosphorodithioate] 2′,3′-bis(2-phenoxyacetate)

Adenosine, 5′-(dihydrogen phosphorodithioate)

Adenosine, 5′-deoxy-5′-(1H-tetrazol-1-yl)-

3′-Adenylic acid, 2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

3′-Adenylic acid, 2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-2′-deoxy-

Adenosine, uridylyl-(3′→5′)-cytidylyl-(3′→5′)-cytidylyl-(3′→5′)-

Cytidine, cytidylyl-(3′→5′)-uridylyl-(3′→5′)-cytidylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-cytidylyl-(3′→5′)-

Guanosine, 2′-deoxy-2′-fluoroguanylyl-(3′→5′)-

Adenosine, 2-bromo-, 5′-(hydrogen 1H-imidazol-1-ylphosphonate)

Inosine 5′-(trihydrogen diphosphate), 1-[(1R,2S,3R,4R)-2,3-dihydroxy-4-(hydroxymethyl)cyclopentyl]-2′,3′-O-(1-methylethylidene)-, intramol. P′,4′′-ester

Uridine 5′-(trihydrogen diphosphate), 5-fluoro-, P′-octadecyl ester

Adenosine 5′-(trihydrogen diphosphate), P′-anhydride with S-[(1R)-1-(2-nitrophenyl)ethyl] dihydrogen phosphorothioate

Thymidine, 3′-[5-[diethyl[2-(triethylammonio)ethyl]ammonio]pentanoate]

Furo[3,4-e]-1,4,2-dioxaphosphorin-7-methanol, 5-(6-amino-9H-purin-9-yl)hexahydro-2-hydroxy-, 2-oxide, (4aR,5R,7R,7aR)-