8, 5'-Cyclo(deoxyadenosine 5'-monophosphate)

8, 5'-Cyclo-2'-deoxyadenosine

8, 5'-Cyclo-2'-deoxyguanosine

8, 5'-Cycloadenosine

8, 8''-Methylenebis(6-((diethylamino)methyl)rutin

8, 8'-(1, 4-Butanediyl)bis(1, 2, 3, 9-tetrahydro-1, 3-dimethyl-2-thioxo-6H-purin-6-one)

8, 8'-Bieckol

8, 8'-Biplumbagin

8, 8'-bis((E)-((3-Chlorophenyl)imino)methyl)-5, 5'-diisopropyl-3, 3'-dimethyl-2, 2'-binaphthalene-1, 1', 6, 6', 7, 7'-hexol

8, 8'-Dioxo-6, 6'-azopurine

8, 8'-Ethylenebis(2-thio-theophylline)

8, 8'-Ethylenediaminoditheophylline

8, 8'-Ethyleneditheophylline

8, 8'-Methylenebis(2-thio-theophylline

8, 8'-Pentamethylenedi-caffeine

8, 8'-Trimethylenebis(2-thio-theophylline

8, 8, 14, 14, 20, 20-Hexabutyl-5, 23-diethyl-10, 18-dioxo-7, 9, 19, 21-tetraoxa-13, 15-dithia-8, 14, 20-tristannaheptacosane

8, 8-Bis-ethylsulfanyl-octane-1, 2, 3, 4, 5, 6, 7-heptaol

8, 8-Dichloro-1, 4, 4-trimethyltricyclo(5.1.0.03, 5)octane

8, 8-Dichloro-2, 4-dimethylbicyclo(4.2.0)octa-1, 3, 5-triene