8-(2, 2, 6, 6-Tetramethylpiperidin-4-yl-1-oxyl)amino-adenosine triphosphate

8-(2, 3, 4-Trihydroxybutyl)guanine

8-(2, 4-Dinitrophenyl-2, 6-aminohexyl)aminoadenosine 5'-triphosphate

8-(2, 6-Diethyl-4-methylphenyl)tetrahydropyrazolo(1, 2-d)(1, 4, 5)oxadiazepine-7, 9-dione

8-(2-(Diethylamino)ethoxy)-caffeine

8-(2-Aminoethylamino)naphthalene-1-sulphonic acid

8-(2-Anthryl)octanoic acid

8-(2-Carboxymethylthio)-cgmp

8-(2-Cyclohexylethyl)-theophylline

8-(2-Cyclopentylethyl)theophylline

8-(2-Hydroxypropoxy)-1, 4, 12-trimethyl-14-oxo-3, 6, 10, 13-tetraoxahexadec-15-en-1-yl acrylate

8-(2-Hydroxypropyl)adenosine

8-(2-Naphthyl)-5, 6-trans-5, 6-methano-7-octenoic acid

8-(2-Phenethyl)-8-azabicyclo(3.2.1)octane-3-(4-methylpropionanilide)

8-(3, 4, 5-Trimethoxyphenyl)-1, 5-diazabicyclo(3.2.1)octane

8-(3-(3-Fluorosulfonylbenzamido)benzylthio)adenine

8-(3-(4-Phenyl-1-piperazinyl)propoxy)-7-methoxycoumarin

8-(3-Azidophenylmethoxy)-1, 2, 3-trimethylimidazol(1, 2-a)pyridinium

8-(3-Carboxy-1-methylpropylamino)-6-methoxyquinoline

8-(3-Chlorobenzoyloxy)-9-hydroxy-8, 9-dihydro-aflatoxin B1