Chloramphenicol, 100 µg/ml, Acetonitrile, 1ml

Metformin-d6-HCl, 100μg/ml in MeOH, 5ml

6:2 Fluorotelomer sulfonamide alkylamine (6:2 FTAA), 50µg/ml in MeOH, 1,2ml

D4-Carbendazim, 100 µg/ml, Methanol, 1ml