Atrazine-2-hydroxy, 10.0 µg/ml, Methanol, 10ml

2,4,6,8-Tetrachlorodibenzothiophene, 1.2ml x 50ug/ml, toluene

D7-Atenolol, 100 µg/ml, Acetonitrile, 1ml

(+)-Pulegone