[13C12]Dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Sedaxane, 10.0 µg/ml, Acetonitrile, 10ml

2-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml

2,5-Dichlorophenol, 1000mg