9-[2-Amino-2,3-dideoxy-5-O-[(4-methoxyphenyl)diphenylmethyl]-3-[(4-methylphenyl)sulfonyl]-β-D-xylofuranosyl]-9H-purin-6-amine

Adenosine, 2',3'-dideoxy-5'-O-[(4-methoxyphenyl)diphenylmethyl]-2'-(methylamino)-3'-[(4-methylphenyl)sulfonyl]-

9-[2,3-Dideoxy-5-O-[(4-methoxyphenyl)diphenylmethyl]-2-(methylamino)-3-[(4-methylphenyl)sulfonyl]-β-D-xylofuranosyl]-9H-purin-6-amine

9-[2,3-Dideoxy-2-(dimethylamino)-5-O-[(4-methoxyphenyl)diphenylmethyl]-3-[(4-methylphenyl)sulfonyl]-β-D-xylofuranosyl]-9H-purin-6-amine

Adenosine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-2,3-dihydro-N-(2-methyl-1-oxopropyl)-2-oxo-, 3'-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Guanosine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-N-(diphenylacetyl)-3'-O-[methyl[[6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphinothioyl]-

Cytidine, N-benzoyl-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-3'-O-[methyl[[6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphinothioyl]-

Thymidine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-3'-O-[methyl[[6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphinothioyl]-

Adenosine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-N-(diphenylacetyl)-3'-O-[methyl[[6-(trifluoromethyl)-1H-benzotriazol-1-yl]oxy]phosphinothioyl]-

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-[(1,1-dimethylethyl)dimethylsilyl]-5-ethynyl-, 3'-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-4-methyl-2(1H)-pyridinone

3-[2-[2-[2-[Bis(4-methoxyphenyl)phenylmethoxy]ethoxy]ethoxy]ethyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-O-methyluridine

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[3-[(1-oxododecyl)amino]propyl]-β-D-ribofuranosyl]-4,6-difluoro-1H-benzimidazole

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-(2-[2,2'-bithiophen]-5-ylethynyl)-, 3'-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-[2,2'-bithiophen]-5-yl-, 3'-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxy-5-[2,2':5',2''-terthiophen]-5-yl-, 3'-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

Thymidine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3'-[S-(3β)-cholest-5-en-3-yl phosphonothioate]

Thymidine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3'-(S-ethyl hydrogen phosphorothioate)

Thymidine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3'-(S-butyl hydrogen phosphorothioate)

Thymidine, 5'-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3'-[S-(3β)-cholest-5-en-3-yl hydrogen phosphorothioate]