Guanosine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

Thymidine, 2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-

2′-Deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-thymidine

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

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

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

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

Adenosine, (S)-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]-

Adenosine, (R)-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]-

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

2-Ethyl 7-[2-carboxy-4-[[[[(1E)-2-[1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]ethenyl]amino]thioxomethyl]amino]phenyl]-3,10-dioxo-3H,10H-pyrano[2,3-c]xanthene-2-carboxylate

Ethyl 7-[2-[[[(1E)-2-[1-[2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]ethenyl]amino]carbonyl]phenyl]-3,10-dioxo-3H,10H-pyrano[2,3-c]xanthene-2-carboxylate

1-[(2R)-2-Chloro-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-(1-propyn-1-yl)-α-L-lyxo-hexofuranosyl]-6-methyl-2,4(1H,3H)-pyrimidinedione

2-[(2R)-2-Chloro-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-(1-propyn-1-yl)-α-L-lyxo-hexofuranosyl]-1,2,4-triazine-3,5(2H,4H)-dione

1-[(2R)-2-Chloro-2,6-dideoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-2-(1-propyn-1-yl)-α-L-lyxo-hexofuranosyl]-5-fluoro-2,4(1H,3H)-pyrimidinedione

4-Amino-1-[(2R)-2-chloro-2-(2-chloroethynyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,3,5-triazin-2(1H)-one

1-[(2R)-2-Chloro-2-(2-chloroethynyl)-2-deoxy-5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy]phosphinyl]-β-D-erythro-pentofuranosyl]-1,3,5-triazine-2,4(1H,3H)-dione

4-Amino-1-[6-deoxy-2-C-(3-fluoro-1-propyn-1-yl)-α-L-talofuranosyl]-1,3,5-triazin-2(1H)-one