Paraoxon-ethyl, 10.0 µg/ml, Ethyl acetate, 10ml

Sulfamonomethoxine, 100 µg/ml, Methanol, 1ml

2,5-Dibromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 57422-77-2

4-Chloroaniline