Bentazone-8-hydroxy, 10.0 µg/ml, Acetonitrile, 5

Napropamide, 100µg/ml in Acetonitrile, 1ml

EDDP-d3 perchlorate,1000 µg/mL (as pyrrolinium) ,MeOH,1mL,

(±)-Sotalol-d7 hydrochloride (isopropyl-d7),1000 µg/mL,MeOH,1mL,