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

Cyclohexanone, 1000mg

Sodium 1H,1H,2H,2H-perfluoro(1,2-13C2)dodecanesulfonate (10:2), 50µg/ml in MeOH, 1,2ml

Chlorite (ClO2-)