Flubenzimine, 100 µg/ml, Ethyl acetate, 5ml

x of 4-Nonyl- and 4-t-Octylphenols ethoxylates, 20/4µg/ml in Acetone, 1ml

N-Nitrosopiperidine, certified, 25mg

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