1,2-Propanediol, 1000µg/ml in MeOH, 1ml

1,3,5-Trichlorobenzene, 1000µg/ml in MeOH, 1ml

PCB No. 180, 100µg/ml in Isooctane, 1ml

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