Fenamiphos, 100 µg/ml, Toluene, 1ml

4-Hydroxy-3-methoxymandelic Acid, 100mg

Azinphos-methyl, 100 µg/ml, Ethyl acetate, 5ml

Perfluoro-n-[1,2-13C2]undecanoic acid, 1.2ml x 50ug/ml, methanol