5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-phenoxyacetyl)cytidine

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(1-methylethyl)-N-(phenoxyacetyl)-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(phenoxyacetyl)-, 3′-[2-cyanoethyl bis(1-methylethyl)phosphoramidite]

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

Cytidine, N-acetyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-(2-cyanoethyl phosphonate)

3-(2-Deoxy-3-O-methyl-β-D-erythro-pentofuranosyl)-6-methoxy-2,4(1H,3H)-pyrimidinedione

3,6-Epoxy-2H,8H-pyrimido[6,1-b][1,3]oxazocine-8,10(9H)-dione, 3,4,5,6-tetrahydro-4-methoxy-, (3R,4S,6R)-

(3R,4S,6R)-3,4,5,6-Tetrahydro-4,10-dimethoxy-3,6-epoxy-2H,8H-pyrimido[6,1-b][1,3]oxazocin-8-one

Inosine, 2′-deoxy-2-fluoro-6-O-[2-(4-nitrophenyl)ethyl]-3′,5′-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N,N-dibutyl-2′-deoxy-

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-N,N-dibutyl-2′-deoxy-

Guanosine, N-[3-[[4-[(3-aminopropyl)amino]butyl]amino]propyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-[2-(4-nitrophenyl)ethyl]-N-(trifluoroacetyl)-N-[3-[(trifluoroacetyl)[4-[(trifluoroacetyl)[3-[(trifluoroacetyl)amino]propyl]amino]butyl]amino]propyl]-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-[2-(4-nitrophenyl)ethyl]-N-[3-[(trifluoroacetyl)[4-[(trifluoroacetyl)[3-[(trifluoroacetyl)amino]propyl]amino]butyl]amino]propyl]-

Guanosine, N-[3-[[4-[(3-aminopropyl)amino]butyl]amino]propyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-6-O-[2-(4-nitrophenyl)ethyl]-

Adenosine, N-[3-[[4-[(3-aminopropyl)amino]butyl]amino]propyl]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-