L-Phenylalanine, N-[[1-(2-nitrophenyl)ethoxy]carbonyl]-, 3′-ester with uridylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-cytidylyl-(3′→5′)-cytidylyl-(3′→5′)-2′-O-[[(1S)-1-(2-nitrophenyl)ethoxy]methyl]adenosine

L-Phenylalanine, N-[[(2-nitrophenyl)methoxy]carbonyl]-, 3′-ester with uridylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-cytidylyl-(3′→5′)-cytidylyl-(3′→5′)-2′-O-[[(1S)-1-(2-nitrophenyl)ethoxy]methyl]adenosine

L-Phenylalanine, 3′-ester with uridylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-cytidylyl-(3′→5′)-cytidylyl-(3′→5′)-adenosine

L-Phenylalanine, N-[[1-(2-nitrophenyl)ethoxy]carbonyl]-, 3′-ester with monomethyl 2′-O-[[(1S)-1-(2-nitrophenyl)ethoxy]methyl]-5′-adenylate

L-Phenylalanine, N-[[(2-nitrophenyl)methoxy]carbonyl]-, 3′-ester with monomethyl 2′-O-[[(1S)-1-(2-nitrophenyl)ethoxy]methyl]-5′-adenylate

5′-Adenylic acid, 2′-O-[[(1S)-1-(2-nitrophenyl)ethoxy]methyl]-, monomethyl ester

Adenosine, uridylyl-(3′→5′)-adenylyl-(3′→5′)-guanylyl-(3′→5′)-cytidylyl-(3′→5′)-cytidylyl-(3′→5′)-2′-O-[[(1S)-1-(2-nitrophenyl)ethoxy]methyl]-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[(1S)-1-(2-nitrophenyl)ethoxy]methyl]-N-[[[2-[[tris(1-methylethyl)silyl]oxy]phenyl]methoxy]carbonyl]-, 3′-[[4-(carboxymethoxy)phenoxy]acetate]

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[(1S)-1-(2-nitrophenyl)ethoxy]methyl]-N-[[[2-[[tris(1-methylethyl)silyl]oxy]phenyl]methoxy]carbonyl]-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[(1R)-1-(2-nitrophenyl)ethoxy]methyl]-, 3′-acetate

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[(1S)-1-(2-nitrophenyl)ethoxy]methyl]-, 3′-acetate

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[[(1S)-1-(2-nitrophenyl)ethoxy]methyl]-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-3′-O-[[(1R)-1-(2-nitrophenyl)ethoxy]methyl]-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[1-(2-nitrophenyl)ethoxy]methyl]-

Uridine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]guanosine

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-N-[[[2-[[tris(1-methylethyl)silyl]oxy]phenyl]methoxy]carbonyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[[[tris(1-methylethyl)silyl]oxy]methyl]-N-[[[2-[[tris(1-methylethyl)silyl]oxy]phenyl]methoxy]carbonyl]-