Atrazin, 100μg/ml in Acetonitrile, 5ml

Ormetoprim, 250mg

Ethanol standard in serum,0.2g/L,serum, 1.5mL

1,4-Dimethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 21339-65-1