Metolachlor-2-hydroxy,100ng/µL in Acetonitrile,1ml

4-Epitetracycline hydrochloride, 50mg

2,2',3,5,6'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,

Sulfabenzamide, 100 µg/ml, Methanol, 1ml