Pyridaben, 100 µg/ml, Acetonitrile, 5ml

Perfluoro-n-[1,2-13C2]decanoic acid, 1.2ml x 50ug/ml, methanol

Azithromycin, 1000µg/ml in MeOH, 1ml

N-(2,4-Dimethylphenyl)formamide, 100 µg/ml, Aceto