8-Bromo-2-methyl-2′,3′-O-(1-methylethylidene)inosine

2-Ethyl-8-fluoro-2′,3′-O-(1-methylethylidene)inosine

8-Chloro-2-methyl-2′,3′-O-(1-methylethylidene)inosine

8-Fluoro-2-methyl-2′,3′-O-(1-methylethylidene)inosine

7,8-Dihydro-2′,3′-O-(1-methylethylidene)-8-oxoinosine

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-P-(O)-(2-cyanoethyl)-P-deoxothymidylyl-(3′→6′)-5′-(3-bromopropyl)-5′,6′-dideoxy-3′-O-[(1,1-dimethylethyl)diphenylsilyl]-α-D-ribo-hexofuranothymidine

8-Chloro-2′,3′-O-(1-methylethylidene)inosine

8-Fluoro-2′,3′-O-(1-methylethylidene)inosine

β-D-allo-Octofuranoadenosine, [P(R)]-5′-O-[bis(4-methoxyphenyl)phenylmethyl]thymidylyl-(3′→5′-8′)-6′,7′,8′-trideoxy-2′-O-(2-methoxyethyl)-, 3′-[2-cyanoethyl N,N-bis(1-methylethyl)phosphoramidite]

9-[8-Bromo-6,7,8-trideoxy-2-O-[2-(methylamino)-2-oxoethyl]-3-O-(phenylmethyl)-β-D-allo-octofuranosyl]-9H-purin-6-amine

9-[8-Bromo-6,7,8-trideoxy-2-O-(2-methoxyethyl)-3-O-(phenylmethyl)-β-D-allo-octofuranosyl]-9H-purin-6-amine

[P(S)]-5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O-(2-methoxyethyl)cytidylylidene-(3′→5′-7′)-6′-deoxy-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribo-heptofuranothymidine

4-Amino-1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-6-deoxy-2-O-methyl-β-D-allofuranosyl]-2(1H)-pyrimidinone

4-Amino-1-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-6-deoxy-2-O-methyl-α-L-talofuranosyl]-2(1H)-pyrimidinone

2-Amino-9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-6-deoxy-2-O-methyl-β-D-allofuranosyl]-1,9-dihydro-6H-purin-6-one

2-Amino-9-[5-O-[bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-6-deoxy-2-O-methyl-α-L-talofuranosyl]-1,9-dihydro-6H-purin-6-one

1-[2,6-Dideoxy-3-O-[(1,1-dimethylethyl)dimethylsilyl]-7-O-[(4-methylphenyl)sulfonyl]-β-D-ribo-heptofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione

7,8-Dihydro-2-methyl-2′,3′-O-(1-methylethylidene)-8-oxoadenosine

2-Ethyl-7,8-dihydro-2′,3′-O-(1-methylethylidene)-8-oxoadenosine

8-Bromo-2-ethyl-2′,3′-O-(1-methylethylidene)adenosine