Thymidine, 2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]adenylyl-(3′→5′)-

Guanosine, N-benzoyl-2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-

Thymidine, N-benzoyl-2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-N-benzoyl-2′-deoxyadenylyl-(3′→5′)-N-benzoyl-2′-deoxy-adenylyl-(3′→5′)-

Thymidine, N-benzoyl-5′-O-[(2-cyanoethoxy)hydroxyphosphinyl]-2′-deoxyadenylyl-(3′→5′)-

Guanosine, N-benzoyl-2′-deoxy-5′-O-phosphonoadenylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-phosphorodichloridate

Adenosine, N-benzoyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Guanosine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]-

Cytidine, N-benzoyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-benzoyl-P-(2-cyanoethyl)adenylyl-(3′→5′)-2′-O-benzoyl-P-(2-cyanoethyl)-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Cytidine, 2′-O-benzoyl-P-(2-cyanoethyl)-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, 2′-(N,N′-diphenylphosphorodiamidate)

Adenosine, N-benzoyl-2′-O-benzoyl-P-(2-cyanoethyl)adenylyl-(3′→5′)-N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Uridine, N-benzoyl-2′-O-benzoyl-P-(2-cyanoethyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]cytidylyl-(3′→5′)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Guanosine, 2′-O-benzoyl-P-(2-cyanoethyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Adenosine, N-benzoyl-2′-O-benzoyl-P-(2-cyanoethyl)-5′-O-[(4-methoxyphenyl)diphenylmethyl]adenylyl-(3′→5′)-N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Guanosine, N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Cytidine, N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Adenosine, N-benzoyl-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Uridine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Guanosine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-N-(2-methyl-1-oxopropyl)-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Cytidine, N-benzoyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-[(2-nitrophenyl)methyl]-, 3′-(N,N′-diphenylphosphorodiamidate)

Cytidine, N-benzoyl-5′-O-[(4-methoxyphenyl)diphenylmethyl]-2′-O-[(2-nitrophenyl)methyl]-