2-Nitrophenol, 100 µg/ml, Acetonitrile, 1ml

2-Ethylbutyraldehyde

N-Ethyl-N-(2-hydroxyethyl)perfluorooctylsulfonamid

3,3',5,5'-Tetrabromobisphenol-A, 50µg/ml in MeOH, 1,2ml