Mecarbam, 100 µg/ml, Ethyl acetate, 5ml

Tetrabromo[13C6]phthalic anhydride, 1.2ml x 50ug/ml, toluene

N-Nitrosodiethylamine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 55-18-5

Foramsulfuron, 100µg/ml in Acetonitrile, 5ml