Avermectin B1b, 100 µg/ml, Acetonitrile, 1ml

Tetramethrin, 100 µg/ml, Acetonitrile, 1ml

3',4'-Dichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

Metolachlor OA, 1000µg/ml in MeOH, 1ml