Bromophos-ethyl, 100 µg/ml, Toluene, 1ml

3,3'-Dimethoxybenzidine,100 µg/mL,acetonitrile,1mL,

2,5-Dimethylpyrazine, Flavour grade, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 123-32-0

S-Metolachlor, 100 µg/ml, Acetone, 1ml