Chloropropylate, 100 µg/ml, Acetonitrile, 5ml

2,4-D (13C6, 99%) 100µg/mL in Acetonitrile, 1,2ml

3-Ethyltoluene, 200 µg/ml, Methanol, 1ml

tert-Butyl hydroquinone (TBHQ)