Metconazole, 100 µg/ml, Acetonitrile, 1ml

2,2',5,6'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane

Azobenzene

3,3',5,5'-Tetrabromobisphenol A diacetate,50 µg/mL,toluene,1mL Certan,