Adenosine, 2′,3′-O-ethylidene-

5′-Adenylic acid, N-benzoyl-2′-deoxy-, mono(2-cyanoethyl) ester

Adenosine, 2′-deoxyadenylyl-(3′→5′)-α-(phenylthio)thymidylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxyguanylyl-(3′→5′)-α-(phenylthio)thymidylyl-(3′→5′)-2′-deoxy-

3′-Adenylic acid, 2′-deoxy-8-[[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]methyl]-, intramol. 3′, 5′′-ester

3′-Guanylic acid, 2′-deoxy-8-[[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]methyl]-, intramol. 3′,5′′-ester

5′-Adenylic acid, 2′-deoxy-8-[[1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,2,3,4-tetrahydro-2,4-dioxo-5-pyrimidinyl]methyl]-, intramol. 5′,3′′-ester

Thymidine, 2′-deoxyadenylyl-(3′→5′)-α-(phenylthio)-

Thymidine, P-(2-cyanoethyl)-2′-deoxy-N-(phenoxyacetyl)adenylyl-(3′→5′)-α-(phenylthio)-, 3′-acetate

4-Methoxy-5-(1-octyn-1-yl)-7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidine

5-(1-Hexyn-1-yl)-4-methoxy-7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidine

5-(1-Octyn-1-yl)-7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine

5-(1-Hexyn-1-yl)-7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine

5-Iodo-4-methoxy-7-β-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidine

9-[2-Azido-2-deoxy-5-O-(triphenylmethyl)-β-D-arabinofuranosyl]-N-(triphenylmethyl)-9H-purin-6-amine

9-[3-Azido-3-deoxy-5-O-(triphenylmethyl)-β-D-xylofuranosyl]-N-(triphenylmethyl)-9H-purin-6-amine

9-[2-Deoxy-2-fluoro-5-O-(triphenylmethyl)-β-D-arabinofuranosyl]-N-(triphenylmethyl)-9H-purin-6-amine

9-[3-Deoxy-3-fluoro-5-O-(triphenylmethyl)-β-D-xylofuranosyl]-N-(triphenylmethyl)-9H-purin-6-amine

Adenosine, N-(triphenylmethyl)-5′-O-(triphenylmethyl)-, cyclic 2′,3′-sulfate

Guanosine, 5′-O-phosphonouridylyl-(3′→5′)-uridylyl-(3′→5′)-