Dicloran, 100 µg/ml, Ethyl acetate, 1ml

1H,1H,2H,2H-Perfluorooctanesulfonic acid, 10mg

2,3,7,8-Tetrabromo[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Phenmedipham, neat, 10mg