Thymidine, (R)-P(O)-[(1S)-2-cyano-1-(1H-indol-2-ylmethyl)ethyl]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-thiothymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, (R)-P-thiothymidylyl-(3′→5′)-, ion(1-)

Thymidine, (S)-P(O)-[(1S)-2-cyano-1-(1H-indol-2-ylmethyl)ethyl]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-thiothymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, (R)-P-(O)-[(1S)-2-cyano-1-(1H-indol-2-ylmethyl)ethyl]-P-deoxo-5′-O-[(1,1-dimethylethyl)dimethylsilyl]thymidylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 3′-O-[(1R,3S)-3-(cyanomethyl)-3,4-dihydro-1H-[1,3,2]oxazaphosphorino[3,4-a]indol-1-yl]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-

Thymidine, 3′-O-[(1S,3S)-3-(cyanomethyl)-3,4-dihydro-1H-[1,3,2]oxazaphosphorino[3,4-a]indol-1-yl]-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-

3′-Thymidylic acid, 2′-O-[1-(2-fluorophenyl)-4-methoxy-4-piperidinyl]uridylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-P-deoxy-P-methylthymidylyl-(3′→5′)-

3′-Thymidylic acid, uridylyl-(3′→5′)-P-methylthymidylyl-(3′→5′)-P-methylthymidylyl-(3′→5′)-P-methylthymidylyl-(3′→5′)-

Cytidine, 3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-O-methyl-N-(2-methyl-1-oxopropyl)-

Adenosine, N-benzoyl-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-2′-O-methyl-

Cytidine, 2′-deoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-N-(2-methyl-1-oxopropyl)-

Uridine, (R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-methyl-2′-O-methyluridylyl-(3′→5′)-2′-O-methyl-

Adenosine, (R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-methyl-2′-O-methyluridylyl-(3′→5′)-N-benzoyl-2′-O-methyl-

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

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

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

Adenosine, (R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-methyl-2′-O-methyl-N-(2-methyl-1-oxopropyl)guanylyl-(3′→5′)-N-benzoyl-2′-O-methyl-

Cytidine, (R)-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-deoxy-P-methyl-2′-O-methyl-N-(2-methyl-1-oxopropyl)cytidylyl-(3′→5′)-2′-O-methyl-N-(2-methyl-1-oxopropyl)-

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

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