17alpha-Ethynylestradiol,1000 µg/mL,MeOH,1mL,

Metribuzin, 100 µg/mL in MeOH, 1ml

epsilon-HCH, 10µg/ml in Cyclohexane, 1ml

Perfluoro-n-[1,2,3,4,5-13C5]pentanoic acid, 50µg/ml in MeOH, 1,2ml