Quinoxyfen, 100 µg/ml, Acetonitrile, 1ml

Ibuprofen, 100 µg/ml, Methanol, 1ml

3,3',4,4',5-Pentabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

2,4-Dimethylphenol-PFB derivative