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

4,5-Dichloroaniline-2-sulfonic Acid, 25g

4,4'-Diaminobiphenyl,100 µg/mL,acetonitrile,1mL,

1,4,6-Trichloronaphthalene, 1.2mL x 50ug/mL, nonane