Cinidon-ethyl, 100 µg/ml, Acetonitrile, 5ml

Perfluoro-n-[1,2-13C2]hexadecanoic acid, 50µg/ml in MeOH, 1,2ml

Metribuzin-desamino-desmethyl, 10mg

2’,3,4-Tribromodiphenyl ether,100 µg/mL,isooctane,1mL,