Metribuzin-diketo, 100 µg/ml, Acetonitrile, 1ml

Cinnamaldehyde, 250mg

Benzo(a)pyrene, 100µg/ml in Acetonitrile, 1ml

3,3',5,5'-Tetrabromobisphenol S dimethyl ether,50 µg/mL ,toluene,1mL