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

4-n-Nonylphenol monoethoxylate, 1000µg/ml in Isooctane, 1ml

1,2,4-Trichlorobenzene, 1000µg/ml in MeOH, 1ml

beta-D-(-)-Fructose