Guanosine, 5′-O-[[3,4-bis(phenylmethoxy)phenyl]methyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Guanosine, 5′-O-[[3,4-bis(phenylmethoxy)phenyl]methyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Thymidine, 5′-O-[[3,4-bis(phenylmethoxy)phenyl]methyl]thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-

Guanosine, 5′-O-[[3,4-bis(phenylmethoxy)phenyl]methyl]thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

Guanosine, 5′-O-[[3,4-bis(phenylmethoxy)phenyl]methyl]thymidylyl-(3′→5′)-2′-deoxy-

Guanosine, 5′-O-[[3,4-bis(phenylmethoxy)phenyl]methyl]thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Guanosine, 5′-O-[(1,1-dimethylethyl)diphenylsilyl]thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Guanosine, thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Guanosine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

Guanosine, 5′-O-(phenylmethyl)thymidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

2,3-Dideoxy-2-[(6,9-dihydro-6-oxo-9-β-D-ribofuranosyl-1H-purin-2-yl)amino]-D-arabino-hexonic acid

2,3-Dideoxy-2-[(6,9-dihydro-6-oxo-9-β-D-ribofuranosyl-1H-purin-2-yl)amino]-D-ribo-hexonic acid

Thymidine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 5′-[2-cyanoethyl [(2R,6S)-2,6-dimethyl-1-piperidinyl]phosphonite]

Guanosine, 3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 5′-[2-cyanoethyl [(2R,6S)-2,6-dimethyl-1-piperidinyl]phosphonite] 6-(diphenylcarbamate)

Cytidine, N-benzoyl-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 5′-[2-cyanoethyl [(2R,6S)-2,6-dimethyl-1-piperidinyl]phosphonite]

Adenosine, N-benzoyl-3′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 5′-[2-cyanoethyl [(2R,6S)-2,6-dimethyl-1-piperidinyl]phosphonite]

Thymidine, 3′-deoxy-3′-[(triphenylmethyl)amino]-, 5′-[2-cyanoethyl [(2R,6S)-2,6-dimethyl-1-piperidinyl]phosphonite]