Dicrotophos, 100 µg/ml, Acetonitrile, 1ml

Metolachlor (ring-13C6), 100µg/ml in n-Nonane, 1,2ml

rac-(1R,2R)-1,2-dibromo-(4S)-4-((1S)-1,2-dibromoethyl)cyclohexane, 1.2ml x 50ug/ml , toluene

Sodium perfluoro-1-[1,2,3,4-13C4]octanesulfonate, 1.2ml x 50ug/ml, methanol