Metribuzin-desamino-desmethyl, 10mg

(±)-Atenolol-d7 (N-isopropyl-d7),100 µg/mL,MeOH,1mL,

Ethyl acetate, 1000µg/ml in MeOH, 1ml

Chlorfenvinphos, 100 µg/ml, Methanol, 1ml