Methamidophos, 100 µg/ml, Acetonitrile, 5ml

Carbofuran, 10.0 µg/ml, Acetonitrile, 10ml

4,6-Dihydroxypyrazolo[3,4-d]pyrimidine-13C,15N2, 1mg

4-Chloro-3-methylanisole