Atrazine-desethyl, 100 µg/ml, Acetonitrile, 5ml

Methacrylic acid-ethyl ester, certified, 1ml

1H,1H,2H,2H-Perfluoro-n-dodecyl methacrylate,50 µg/mL,MeOH,1mL,

Methyl isothiocyanate