[P(R)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-8′)-6′,7′,8′-trideoxy-2′-O-[2-(methylamino)-2-oxoethyl]-3′-O-(phenylmethyl)-α-L-talo-octofuranoadenosine

[P(R)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-8′)-6′,7′,8′-trideoxy-2′-O-(2-methoxyethyl)-3′-O-(phenylmethyl)-α-L-talo-octofuranoadenosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-7′-bromo-6′,7′-dideoxy-2′-O-[2-(methylamino)-2-oxoethyl]-3′-O-(phenylmethyl)-α-L-talo-heptofuranocytidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-7′-bromo-6′,7′-dideoxy-2′-O-(2-methoxyethyl)-3′-O-(phenylmethyl)-α-L-talo-heptofuranocytidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-7′-bromo-6′,7′-dideoxy-2′-O-methyl-3′-O-(phenylmethyl)-α-L-talo-heptofuranocytidine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-7′-bromo-6′,7′-dideoxy-2′-O-[2-(methylamino)-2-oxoethyl]-3′-O-(phenylmethyl)-α-L-talo-heptofuranoguanosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-7′-bromo-6′,7′-dideoxy-2′-O-(2-methoxyethyl)-3′-O-(phenylmethyl)-α-L-talo-heptofuranoguanosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-7′-bromo-6′,7′-dideoxy-2′-O-methyl-3′-O-(phenylmethyl)-α-L-talo-heptofuranoguanosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-7′-bromo-6′,7′-dideoxy-5-methyl-2′-O-[2-(methylamino)-2-oxoethyl]-3′-O-(phenylmethyl)-α-L-talo-heptofuranouridine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-7′-bromo-6′,7′-dideoxy-2′-O-(2-methoxyethyl)-5-methyl-3′-O-(phenylmethyl)-α-L-talo-heptofuranouridine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-7′-bromo-6′,7′-dideoxy-5-methyl-2′-O-methyl-3′-O-(phenylmethyl)-α-L-talo-heptofuranouridine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-7′-bromo-6′,7′-dideoxy-2′-O-[2-(methylamino)-2-oxoethyl]-3′-O-(phenylmethyl)-α-L-talo-heptofuranoadenosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→5′)-7′-bromo-6′,7′-dideoxy-2′-O-(2-methoxyethyl)-3′-O-(phenylmethyl)-α-L-talo-heptofuranoadenosine

4-Amino-1-[8-bromo-6,7,8-trideoxy-2-O-[2-(methylamino)-2-oxoethyl]-3-O-(phenylmethyl)-α-L-talo-heptofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[8-bromo-6,7,8-trideoxy-2-O-(2-methoxyethyl)-3-O-(phenylmethyl)-α-L-talo-heptofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[8-bromo-6,7,8-trideoxy-2-O-methyl-3-O-(phenylmethyl)-α-L-talo-heptofuranosyl]-2(1H)-pyrimidinone

2-Amino-9-[8-bromo-6,7,8-trideoxy-2-O-[2-(methylamino)-2-oxoethyl]-3-O-(phenylmethyl)-α-L-talo-heptofuranosyl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[8-bromo-6,7,8-trideoxy-2-O-(2-methoxyethyl)-3-O-(phenylmethyl)-α-L-talo-heptofuranosyl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[8-bromo-6,7,8-trideoxy-2-O-methyl-3-O-(phenylmethyl)-α-L-talo-heptofuranosyl]-1,9-dihydro-6H-purin-6-one

1-[8-Bromo-6,7,8-trideoxy-2-O-[2-(methylamino)-2-oxoethyl]-3-O-(phenylmethyl)-α-L-talo-heptofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione