1,4-Diethylbenzene

POE (4-17) tert-Octylphenol,1000 µg/mL,water,10mL,

Bromomethane, 20mg/ml in MeOH, 1ml

Metformin-d6 hydrochloride (dimethyl-d6),100 µg/mL,MeOH,1mL,