delta-HCH, 100 µg/ml, Ethyl acetate, 5ml

13C6-Oxyphenbutazone, 10mg

9-Phenylcarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1150-62-5

Methamidophos, 10.0 µg/ml, Ethyl acetate, 10ml