alpha-HCH, 100 µg/ml, Ethyl acetate, 5ml

2,3,4,5-Tetrabromobenzoic acid, 1.2ml x 50ug/ml, methanol

4-Amino-2´,3-dimethylazobenzene, certified, 0.25g

Myclobutanil, 100 µg/ml, Ethyl acetate, 5ml