D5-Ochratoxin A, 100 µg/ml, Acetonitrile, 1ml

Alachlor ESA, 1000µg/ml in MeOH, 1ml

Ethyl 4-hydroxybenzoate

6-n-Propylchrysene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 6910-41-4