Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methylcytidylyl-(3′→5′)-N-benzoyl-P,2′-dideoxy-P-methyladenylyl-(3′→5′)-

Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methylcytidylyl-(3′→5′)-N-benzoyl-P,2′-dideoxy-P-methylcytidylyl-(3′→5′)-

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methyladenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methylinosinylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-

Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methylcytidylyl-(3′→5′)-

Thymidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methyladenylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methylcytidylyl-(3′→5′)-N-benzoyl-P,2′-dideoxy-P-methylcytidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-(2-cyanoethyl methylphosphonate)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-methylthymidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-benzoate

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-P,2′-dideoxy-P-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-, 3′-(2-cyanoethyl methylphosphonate)

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-P,2′-dideoxy-P-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methyladenylyl-(3′→5′)-N-benzoyl-P,2′-dideoxy-P-methyladenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-benzoate

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methyladenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-(2-cyanoethyl methylphosphonate)

Guanosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-methyladenylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-benzoate