Isoxaben, 100 µg/ml, Acetonitrile, 5ml

Caffeine, 1000µg/ml in MeOH, 1ml

Teicoplanin A2(Mix 2-1, 2-2, 2-3, 2-4, 2-5), 50mg

Arochlor 1242 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 53469-21-9