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-

Guanosine, N-acetyl-6-thio-6-S-(2,3,5-tri-O-acetyl-D-ribofuranosyl)-, 2′,3′,5′-triacetate

2′-Deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidine