D8-Paraquat dichloride, 100 µg/ml, Deuterium oxid

Trifluralin D14 (di-n-propyl D14), certified, 10mg

Ethidimuron, 10 µg/ml, Acetonitrile, 10ml

1,2-Dibromo-4-(1,2-dibromoethyl)cyclohexane, 100µg/ml in Toluene, 1ml