Simazine-2-hydroxy, 25mg

Parathion-ethyl, 100µg/ml in Acetonitrile, 5ml

2,3,3',4,6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

D4-Diquat dibromide, 100 µg/ml, Deuterium oxide,