Octachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Dibenzo[cd,pg]bisanthene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 187-94-0

n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-94-7

Prednisolone-d8 (Major), 1mg