2,4-DB-methyl ester, 100 µg/ml, Ethyl acetate, 5

Chlorfenvinphos, 100 µg/ml, Methanol, 1ml

Primidone, 100mg

(±)-Nicotine-d3 (N-methyl-d3),1000 µg/mL,acetonitrile,1mL,