D7-Beflubutamid, 100 µg/ml, Acetonitrile, 1ml

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

Dimethametryn, 100 µg/ml, Acetonitrile, 1ml

N-Nitrosodi-n-butylamine, 1000μg/ml in MeOH, 1ml