Uridine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyluridylyl(2-oxo-1,2-ethanediyl)imino-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyl-

Thymidine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylyl(2-oxo-1,2-ethanediyl)imino-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyl-N-(1-methyl-2-pyrrolidinylidene)-

Uridine, 3′-de(phosphinicooxy)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylyl(2-oxo-1,2-ethanediyl)imino-(3′→5′)-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyl-

Cytidine, 5′-amino-2′,5′-dideoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-N-(1-methyl-2-pyrrolidinylidene)-

Carbonothioic acid, O-[2-[[[(1,1-dimethylethyl)diphenylsilyl]oxy]methyl]-2,3,3a,9a-tetrahydro-7-methyl-6-oxo-6H-furo[2′,3′:4,5]oxazolo[3,2-a]pyrimidin-3-yl] O-(4-methylphenyl) ester, [2R-(2α,3β,3aβ,9aβ)]-

Uridine, 5′-amino-5′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-5-methyl-2′-O-methyl-

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-1,3-dihydro-8-phenyl-2H-purin-2-one

9-β-D-Arabinofuranosyl-2-[2-(1,12-dicarbadodecaboran(12)-2-yl)ethyl]-9H-purin-6-amine

9-β-D-Arabinofuranosyl-2-[2-(1,12-dicarbadodecaboran(12)-2-yl)ethynyl]-9H-purin-6-amine

9-β-D-Arabinofuranosyl-6-[(3R)-7,8-difluoro-2,3-dihydro-3-methyl-4H-1,4-benzoxazin-4-yl]-9H-purin-2-amine

6-[(2-Amino-9-β-D-arabinofuranosyl-9H-purin-6-yl)amino]-1-[(3S)-7,8-difluoro-2,3-dihydro-3-methyl-4H-1,4-benzoxazin-4-yl]-1-hexanone

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

2′-Deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidine

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]ethoxy]carbonyl]-6-O-[2-(phenylsulfonyl)ethyl]-, 3′-(hydrogen butanedioate)

6-[(2-Amino-9-β-D-arabinofuranosyl-9H-purin-6-yl)amino]-1-[(3R)-7,8-difluoro-2,3-dihydro-3-methyl-4H-1,4-benzoxazin-4-yl]-1-hexanone

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]ethoxy]carbonyl]-6-O-[2-(4-nitrophenyl)ethyl]-, 3′-(hydrogen butanedioate)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]ethoxy]carbonyl]-, 3′-(hydrogen butanedioate)

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]ethoxy]carbonyl]-, 3′-(hydrogen butanedioate)

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-[[5-(dimethylamino)-1-naphthalenyl]sulfonyl]ethoxy]carbonyl]-, 3′-(hydrogen butanedioate)