Daimuron, 100 µg/ml, Acetonitrile, 1ml

Hexavalent Chromium (Cr 6+)

Tetradecamethylcycloheptasiloxan, 100µg/ml in Acetone, 5ml

(±)-Sotalol-d7 hydrochloride (isopropyl-d7),100 µg/mL,MeOH,1mL,