Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)adenylyl-(3′→5′)-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)uridylyl-(3′→5′)-N-benzoyl-2′-O-(tetrahydro-2-furanyl)-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)adenylyl-(3′→5′)-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)uridylyl-(3′→5′)-N-benzoyl-2′-O-(tetrahydro-2-furanyl)-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2-furanyl)guanylyl-(3′→5′)-N-benzoyl-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)cytidylyl-(3′→5′)-N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2-furanyl)-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)uridylyl-(3′→5′)-N-benzoyl-2′-O-(tetrahydro-2-furanyl)-, 3′-[2-chlorophenyl (4-methoxyphenyl)phosphoramidate]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2-furanyl)guanylyl-(3′→5′)-2′-O-(tetrahydro-2-furanyl)-, 3′-[2-chlorophenyl (4-methoxyphenyl)phosphoramidate]

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)adenylyl-(3′→5′)-N-(2-methyl-1-oxopropyl)-2′-O-(tetrahydro-2-furanyl)-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]-N-(phenoxyacetyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]-N-(2,2-dimethyl-1-oxopropyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Uridine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]-N-(phenoxyacetyl)-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]-N-(2,2-dimethyl-1-oxopropyl)-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-(tetrahydro-2-furanyl)adenylyl-(3′→5′)-N-benzoyl-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)-

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]uridine

Guanosine, 2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]-N-(phenoxyacetyl)-

Guanosine, 2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]-N-(phenoxyacetyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Uridine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-chlorophenyl)-2′-O-(tetrahydro-2-furanyl)adenylyl-(3′→5′)-2′-O-(tetrahydro-2-furanyl)-

Adenosine, 2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]-N-(2,2-dimethyl-1-oxopropyl)-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Cytidine, N-benzoyl-2′-O-[1-(4-chlorophenyl)-4-ethoxy-4-piperidinyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-