Pyraflufen-ethyl, 100 µg/ml, Acetonitrile, 5ml

Metoprolol tartrate, 100 µg/ml, Methanol, 1ml

D4-Ketoprofen, 100 µg/ml, Acetonitrile, 1ml

2,2-Bis-(4-hydroxyphenyl)hexafluoropropane-d4, 10mg (Bisphenol AF-D4)