Caffeine, 250mg

D20-Ethion, 100 µg/ml, Acetone, 1ml

2-Perfluorodecyl-[1,1-2H2]-[1,2-13C2]-ethanol (10:2), 50µg/ml in MeOH, 1,2ml

3,9-Dimethylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 316-51-8