4-Chloro-3-methylphenol, 100µg/ml in MeOH, 1ml

2,4-Diaminoanisole, 100 µg/ml, Acetonitrile, 1ml

2-Perfluorooctyl-[1,2-13C2]-ethanol (8:2), 50µg/ml in MeOH, 1,2ml

4-tert-Octylphenol-mono-ethoxylate, 100 µg/ml, Ac