Zoxamide, 100 µg/ml, Acetonitrile, 5ml

Chlorpyrifos-d10 (O,O-diethyl-d10),100 µg/mL,isooctane,1mL,

1,2-Bis(pentabromophenyl)ethane [13C14], 1.2ml x 25ug/ml, toluene

3,3’-Dimethoxybenzidine