Cytidine, 2′-deoxy-N-[2-(methylamino)benzoyl]-, 3′-[2-(methylamino)benzoate]

Cytidine, 2′-[2-(methylamino)benzoate]

Cytidine, 3′-[2-(methylamino)benzoate]

Guanosine, [P(S)]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-[2-[(trifluoroacetyl)amino]ethyl]cytidylyl-(3′→5′)-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-

Guanosine, [P(R)]-N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-[2-[(trifluoroacetyl)amino]ethyl]cytidylyl-(3′→5′)-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P,2′-dideoxy-P-[2-[(trifluoroacetyl)amino]ethyl]adenylyl-(3′→5′)-N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Cytidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[2-[(trifluoroacetyl)amino]ethyl]thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Cytidine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[2-[(trifluoroacetyl)amino]ethyl]thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[2-[(trifluoroacetyl)amino]ethyl]thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Cytidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[2-[[[(4-methoxyphenyl)methoxy]carbonyl]amino]ethyl]thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-, 3′-acetate

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

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

Cytidine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[2-[(trifluoroacetyl)amino]ethyl]thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-

Cytidine, [P(S)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-[2-[(trifluoroacetyl)amino]ethyl]thymidylyl-(3′→5′)-N-benzoyl-2′-deoxy-

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[hydrogen [2-[(trifluoroacetyl)amino]ethyl]phosphonate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[hydrogen [2-[(trifluoroacetyl)amino]ethyl]phosphonate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[hydrogen [2-[[[(4-methoxyphenyl)methoxy]carbonyl]amino]ethyl]phosphonate]