Levetiracetam, 100µg/ml in Acetonitrile, 5ml

3,3',5,5'-Tetrabromobisphenol S dimethyl ether,50 µg/mL ,toluene,1mL

Nonylphenol (technical), certified, 0.25g

Endrin, 1.2mL x 100ug/mL, nonane