4-Epichlortetracycline hydrochloride, 5mg

Chlormequat-1,1,2,2-d4 chloride, 100µg/ml in Water, 1ml

Metolachlor ESA-d6 Sodium Salt, 1mg

Ethion, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 563-12-2