Parathion-ethyl, 100µg/ml in Acetonitrile, 5ml

EPA Method 537 Native Primary Std (br/l mix), 2µg/ml in MeOH, 1,2ml

Ethyl-ß-D-6-glucuronide, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 17685-04-0

Lamotrigine, neat, Solvent-neat, Unit 25MG, # of units-, Cas.no. 84057-84-1