Guanosine, 2′-deoxyadenylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-thymidylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

Thymidine, 3′-deoxy-3′-(2-propynyl)-, 5′-acetate

Thymidine, 3′-deoxy-3′-ethynyl-, 5′-acetate

Adenosine, 5′,5′′′-[O,O′-(2,3-dihydroxy-1,4-butanediyl) bis(hydrogen phosphorothioate)]

Thymidine, 3′-deoxy-3′-(2,2-dibromoethenyl)-5′-O-[(1,1-dimethylethyl)diphenylsilyl]-

Thymidine, 5′-O-[(4-methoxyphenyl)diphenylmethyl]-3′-O-2-propynyl-

Guanosine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyloxy-1,2-ethanediyloxy-1,4-phenylene-(1E)-1,2-ethenediyl-1,4-phenyleneoxy-1,2-ethanediyloxyphosphinico-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxy-

Cytidine, 2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyl-(3′→5′)-2′-deoxyguanylyloxy-1,2-ethanediyloxy-1,4-phenylene-(1E)-1,2-ethenediyl-1,4-phenyleneoxy-1,2-ethanediyloxyphosphinico-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

Guanosine, 2′-deoxycytidylyl-(3′→5′)-2′-deoxyguanylyloxy-1,2-ethanediyloxy-1,4-phenylene-(1E)-1,2-ethenediyl-1,4-phenyleneoxy-1,2-ethanediyloxyphosphinico-(3′→5′)-2′-deoxycytidylyl-(3′→5′)-2′-deoxy-

Adenosine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyloxy-1,4-butanediyloxy-1,4-phenylene-(1E)-1,2-ethenediyl-1,4-phenyleneoxy-1,4-butanediyloxyphosphinico-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

Adenosine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyloxy-1,3-propanediyloxy-1,4-phenylene-(1E)-1,2-ethenediyl-1,4-phenyleneoxy-1,3-propanediyloxyphosphinico-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

Adenosine, thymidylyl-(3′→5′)-thymidylyl-(3′→5′)-thymidylyloxy-1,2-ethanediyloxy-1,4-phenylene-(1E)-1,2-ethenediyl-1,4-phenyleneoxy-1,2-ethanediyloxyphosphinico-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

Adenosine, thymidylyl-(3′→5′)-thymidylyloxy-1,2-ethanediyloxy-1,4-phenylene-(1E)-1,2-ethenediyl-1,4-phenyleneoxy-1,2-ethanediyloxyphosphinico-(3′→5′)-2′-deoxyadenylyl-(3′→5′)-2′-deoxy-

3,6-Epoxy-2H,8H-pyrimido[6,1-b][1,3]oxazocine-8,10(9H)-dione, 11-bromohexahydro-4-hydroxy-11-methyl-, (3R,4S,6R,11R,11aR)-

1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)diphenylsilyl]-β-D-erythro-pentofuranosyl]tetrahydro-4a,6-dimethyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,4aH)-dione

1-[2-Deoxy-3,5-bis-O-[dimethyl(1,1,2-trimethylpropyl)silyl]-β-D-erythro-pentofuranosyl]tetrahydro-4a,6-dimethyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,4aH)-dione

1-[2-Deoxy-3,5-bis-O-[tris(1-methylethyl)silyl]-β-D-erythro-pentofuranosyl]tetrahydro-4a,6-dimethyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,4aH)-dione

1-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]tetrahydro-4a,6-dimethyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,4aH)-dione

(6R,7R,8R,9R,10R,11S,11aR)-8,9,11-Tris(acetyloxy)-3-(ethoxycarbonyl)-2,5,7,8,9,10,11,11a-octahydro-2,6-dimethyl-1-oxo-7,10-epoxy-1H-azepino[1,2-a][1,4]diazepinium

Ethyl (2R,3R,4R,5R,6S,6aR,10aS)-3,6-bis(acetyloxy)-4-[[(1,1-dimethylethyl)diphenylsilyl]oxy]-1,2,3,4,5,6,6a,7,8,10a-decahydro-1,8-dimethyl-7-oxo-2,5-epoxypyrido[4,3-b]azocine-9-carboxylate