Methamidophos, 100 µg/ml, Acetonitrile, 5ml

5-tert-Butyl-m-xylene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 98-19-1

Chlorfenvinphos, 250mg

Metformin-d6-HCl, 100μg/ml in MeOH, 5ml