1,2-Benz[a]anthraquinone

2,3,3',4,4',5-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,4-Dimethylphenol, 100 µg/ml, Methanol, 5ml

Piperophos, 100 µg/ml, Acetonitrile, 1ml