Theobromine, 100µg/ml in MeOH, 5ml

1,2-Dibromo-7,8-dichlorodibenzofuran, 1.2ml x 50ug/ml, toluene

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

Hexazinone, 100 µg/ml, Acetonitrile, 5ml