9-[2-Deoxy-3,5-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-erythro-pentofuranosyl]-6-[2-[10-(4-morpholinylmethyl)-9-anthracenyl]ethynyl]-9H-purine

10-[2-[9-(2-Deoxy-β-D-erythro-pentofuranosyl)-9H-purin-6-yl]ethynyl]-N,N-bis(2-methoxyethyl)-9-anthracenemethanamine

9-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[2-[10-(4-morpholinylmethyl)-9-anthracenyl]ethynyl]-9H-purine

9-(2-Deoxy-β-D-erythro-pentofuranosyl)-6-[2-[10-(1-piperazinylmethyl)-9-anthracenyl]ethynyl]-9H-purine

2′-Deoxy-5-[4-[2-[4-(dimethylamino)phenyl]diazenyl]phenyl]uridine 5′-(tetrahydrogen triphosphate)

2′-Deoxy-5-[2-(triethylsilyl)ethynyl]uridine

5′-Guanylic acid, mono[2-[2-[2-[2-[[N-[[(1,1-dimethylethyl)dithio]acetyl]glycylglycyl]amino]ethoxy]ethoxy]ethoxy]ethyl] ester

5′-Guanylic acid, mono[24-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-13,20-dioxo-3,6,9-trioxa-12,19-diazatetracos-1-yl] ester

5′-Guanylic acid, mono[13-[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]-xanthen]-6-yl)amino]-13-thioxo-3,6,9-trioxa-12-azatridec-1-yl] ester

5′-Guanylic acid, mono[6-[[N-[[(1,1-dimethylethyl)dithio]acetyl]glycylglycyl]amino]hexyl] ester

5′-Guanylic acid, mono[6-[[6-[[5-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]-1-oxohexyl]amino]hexyl] ester

5′-Guanylic acid, mono[6-[(3′,6′-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-6-yl)amino]hexyl] ester