L-Serine, O-(1,1-dimethylethyl)-N-[(2-nitrophenyl)sulfonyl]-N-(2,3,5-tri-O-acetyl-α-D-arabinofuranosyl)-, 1,1-dimethylethyl ester

L-Glutamic acid, N-[(2-nitrophenyl)sulfonyl]-N-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-, bis(1,1-dimethylethyl) ester

L-Glutamic acid, N-[(2-nitrophenyl)sulfonyl]-N-(2,3,5-tri-O-acetyl-α-D-arabinofuranosyl)-, bis(1,1-dimethylethyl) ester

L-Cysteine, S-(1,1-dimethylethyl)-N-[(2-nitrophenyl)sulfonyl]-N-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-, 1,1-dimethylethyl ester

L-Cysteine, S-(1,1-dimethylethyl)-N-[(2-nitrophenyl)sulfonyl]-N-(2,3,5-tri-O-acetyl-α-D-arabinofuranosyl)-, 1,1-dimethylethyl ester

L-Aspartic acid, N-[(2-nitrophenyl)sulfonyl]-N-(2,3,5-tri-O-acetyl-β-D-arabinofuranosyl)-, bis(1,1-dimethylethyl) ester

L-Aspartic acid, N-[(2-nitrophenyl)sulfonyl]-N-(2,3,5-tri-O-acetyl-α-D-arabinofuranosyl)-, bis(1,1-dimethylethyl) ester

3-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-propylfuro[2,3-d]pyrimidin-2(3H)-one

Uridine, 5-(1-heptynyl)-

Cytidine, 2′-deoxy-5-(1-heptynyl)-

Cytidine, 2′-deoxy-5-(1-dodecynyl)-

Cytidine, 5-(1-decynyl)-2′-deoxy-

Cytidine, 2′-deoxy-5-(1-pentynyl)-

1-(2-Deoxy-5-O-phosphono-β-D-erythro-pentofuranosyl)-1H-1,2,4-triazole-3-carboxamide

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(1-oxopropyl)-P(S)-phenyl-P-thioguanylyl-(3′→5′)-2′-deoxy-N-(1-oxopropyl)-, 6-(diphenylcarbamate) 3′-(S,S-diphenyl phosphorodithioate)

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(1-oxopropyl)-, 6-(diphenylcarbamate) 3′-(S-phenyl hydrogen phosphorothioate)

Guanosine, 2′-deoxy-N-(1-oxopropyl)-, 6-(diphenylcarbamate)

Thymidine, P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-, 3′-benzoate

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-, mono[2-chloro-4-(triphenylmethyl)methyl] ester

3′-Thymidylic acid, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-P-[2-chloro-4-(triphenylmethyl)phenyl]thymidylyl-(3′→5′)-, 2-chloro-4-(triphenylmethyl)phenyl 2-cyanoethyl ester