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

o-Xylene, 1ml

(±)-Ketoconazole,2000 µg/mL,MeOH,1mL

(-)-Captopril-d3 (L-proline-2,5,5-d3),ca. 100 µg/mL,MeOH,1mL,