2,3',4,4'-Tetrabromodiphenyl ether, 50µg/ml IO,1ml

Aqueous ethanol control EtOH AQ (3.0g/L), 10 x 3.0ml

Theophylline, 100μg/mL in Acetonitrile, 1ml

17a-Ethinylestradiol, 100 µg/ml, Methanol, 1ml