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

QC Standard 1

Amoxicillin, 1000µg/mL in water, 1ml

(+)-γ-1R,2R,5R,6S,9S,10R-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene