9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-6-(1H-indol-2-yl)-9H-purine

9-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-6-(1H-indol-2-yl)-9H-purine

6-[3-[3-[Bis(4-methoxyphenyl)phenylmethoxy]propyl]phenyl]-9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-9H-purine

3-[9-[3,5-O-[Bis(1,1-dimethylethyl)silylene]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-9H-purin-6-yl]benzenepropanol

2-Cyanoethyl 3-[9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]benzenepropanoate

2-Cyanoethyl 3-[9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]benzenepropanoate

Ethyl 3-[9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-9H-purin-6-yl]benzenepropanoate

6-[3-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]phenyl]-9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-deoxy-β-D-erythro-pentofuranosyl]-9H-purine

6-[3-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]phenyl]-9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-β-D-erythro-pentofuranosyl]-9H-purine

6-[3-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]phenyl]-9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-9H-purine

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

Inosine, 6-O-[[3-(acetyloxy)-5-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]phenyl]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

6-O-[[3-(Acetyloxy)-5-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]phenyl]methyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyinosine

6-O-[[3-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-hydroxyphenyl]methyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyinosine

6-O-[[3-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]-5-[[(1,1-dimethylethyl)dimethylsilyl]oxy]phenyl]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]inosine

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-formyl-8-[(phenylmethyl)amino]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-formyl-8-[(phenylmethyl)amino]adenosine

2′-Deoxy-N-[(dimethylamino)carbonyl]-8-[(phenylmethyl)amino]adenosine

Inosine, 6-O-[2-[bis(4-methoxyphenyl)phenylmethoxy]ethyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

6-O-[2-[Bis(4-methoxyphenyl)phenylmethoxy]ethyl]-5'-O-[bis(4-methoxyphenyl)phenylmethyl]-2'-deoxyinosine