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

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(1,2-dihydro-2-oxo-3-pyridinyl)methyl]adenosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[(1,2-dihydro-2-oxo-3-pyridinyl)methyl]-3′-O-[(1,1-dimethylethyl)dimethylsilyl]adenosine

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

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[2-(methylamino)-2-oxoethyl]adenosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[2-(methylamino)-2-oxoethyl]adenosine

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]-8-(4-nitrophenyl)-6-[(1E)-2-phenylethenyl]-9H-purine

9-[3,5-O-[Bis(1,1-dimethylethyl)silylene]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-8-(4-nitrophenyl)-6-[(1E)-2-phenylethenyl]-9H-purine

2-Cyanoethyl 3-[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-purin-6-yl]benzeneacetate

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

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

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

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

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

9-[3,5-O-[Bis(1,1-dimethylethyl)silylene]-2-deoxy-β-D-erythro-pentofuranosyl]-6-chloro-9H-purine

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

N-[[3-[[Bis(4-methoxyphenyl)phenylmethoxy]methyl]phenyl]methyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxyadenosine

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[3-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]phenyl]methyl]-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[3-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]phenyl]methyl]adenosine