L-Aspartic acid, N-[[4-[(phenylacetyl)oxy]phenyl]acetyl]-L-α-aspartyl-O-[3′-O-acetyl-2′-deoxy-P-2-propenyl-N-[(2-propenyloxy)carbonyl]-5′-cytidylyl]-L-seryl-, tri-2-propenyl ester

Cytidine, 2′-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-[(2-propenyloxy)carbonyl]-, 3′-acetate

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[methyl[(phenylamino)seleno]phosphinothioyl]-

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-3′-O-[methyl[(phenylamino)seleno]phosphinyl]-

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-[S-(2-nitrophenyl) methylphosphonodithioate]

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-[S-(4-nitrophenyl) methylphosphonoselenothioate]

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-(methyl methylphosphonate)

Thymidine, P-deoxy-5′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-methyl-P-selenothymidylyloxy(methylphosphinylidene)-(3′→3′)-

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-[SeS-(4-nitrophenyl) methylphosphono(selenothioperoxo)thioate]

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-[SeS-(4-nitrophenyl) methylphosphono(selenothioperoxoate)]

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-(hydrogen methylphosphonoselenothioate)

Thymidine, 5′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-(hydrogen methylphosphonoselenoate)

Adenylyl-(3′→5′)-cytidylyl-(3′→5′)-cytidylyl-(3′→5′)-uridine

Guanosine, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-[4-nitrophenyl (R)-methylphosphonate]

Adenosine, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-[4-nitrophenyl (R)-methylphosphonate]

Cytidine, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-[4-nitrophenyl (R)-methylphosphonate]

Guanosine, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-[4-nitrophenyl (S)-methylphosphonate]

Adenosine, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-[4-nitrophenyl (S)-methylphosphonate]

Cytidine, N-benzoyl-2′-deoxy-5′-O-[(4-methoxyphenyl)diphenylmethyl]-, 3′-[4-nitrophenyl (S)-methylphosphonate]

Adenosine, 8-[[3-[[[10-[[3-[[1-(3,5-di-O-acetyl-2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]ethynyl]phenyl]methoxy]decyl]oxy]methyl]phenyl]ethynyl]-, 2′,3′,5′-triacetate