Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-N-(2-methyl-1-oxopropyl)-, 3′-[butyl N,N-bis(1-methylethyl)phosphoramidite]

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-N-(2-phenoxyacetyl)-, 3′-[3,6,9,12-tetroxatridec-1-yl N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-, 3′-[3,6,9,12-tetroxatridec-1-yl N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-, 3′-[hexadecyl N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-, 3′-[1-methyl-3-butyn-1-yl N,N-bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-N-[2-[4-(1-methylethyl)phenoxy]acetyl]-, 3′-[butyl N,N-bis(1-methylethyl)phosphoramidite]

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-N-(2-phenoxyacetyl)-, 3′-[butyl N,N-bis(1-methylethyl)phosphoramidite]

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-N-(2-phenoxyacetyl)-, 3′-[butyl N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-, 3′-[butyl N,N-bis(1-methylethyl)phosphoramidite]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-, 3′-[2-[2-[(1,1-dimethyl-4-oxo-8,11,14,17-tetraoxa-5-azaoctadec-1-yl)dithio]phenyl]ethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2-methoxyethyl)-, 3′-[2-[2-[(1,1-dimethylethyl)dithio]phenyl]ethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2-methoxyethyl)-, 3′-[2-[2-[(1,1-dimethylethyl)dithio]phenyl]ethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-, 3′-[2-phenylethyl N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2-methoxyethyl)-, 3′-[2-[2-[(1,1-dimethylethyl)dithio]phenyl]ethyl [P(S)]-N,N-bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-N-[2-[4-(1-methylethyl)phenoxy]acetyl]-, 3′-[ethynyl N,N-bis(1-methylethyl)phosphoramidite]

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-methyl-N-(2-phenoxyacetyl)-, 3′-[ethynyl N,N-bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-2′-fluoro-, 3′-[ethynyl N,N-bis(1-methylethyl)phosphoramidite]