Metrafenone, 10.0 µg/ml, Acetonitrile, 10ml

Pyruvic aldehyde

Azaconazole, 10.0 µg/ml, Ethyl acetate, 10ml

1,2,3,4,6,7-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene