Flumequine, 100 µg/ml, Methanol, 1ml

RPA 202248 (a metabolite of isoxaflutol), 10mg

d18-α-1,2,5,6,9,10-Hexabromocyclododecane, 50µg/ml in Toluene, 1,2ml

Chloroacetic Acid-13C2, 10mg