Guanosine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-6-O-[2-(4-nitrophenyl)ethyl]-, 5′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

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

Cytidine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-, 5′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-6-O-[2-(4-nitrophenyl)ethyl]-

Adenosine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-

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

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

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

Thymidine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 5′-[2-(4-nitrophenyl)ethyl carbonate]

Guanosine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-6-O-[2-(4-nitrophenyl)ethyl]-

Adenosine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-

Cytidine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-

Thymidine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-

Guanosine, 2′-deoxy-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-6-O-[2-(4-nitrophenyl)ethyl]-

Adenosine, 2′-deoxy-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-

Cytidine, 2′-deoxy-5′-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-N-[[2-(4-nitrophenyl)ethoxy]carbonyl]-

Guanosine, guanylyl-(3′→5′)-cytidylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-adenylyl-(3′→5′)-

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

Guanosine, cytidylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-

Guanosine, cytidylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-