Norcocaine hydrochloride, 100µg/ml in MeOH, 1ml

Fenitrothion-d6 (O,O-dimethyl-d6), 100µg/ml in Acetone, 1ml

Aflatoxin M2, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 6885-57-0

Valsartan, 1000µg/ml in MeOH, 1ml