Methamidophos, 10.0 µg/ml, Acetonitrile, 10ml

2-Isopropylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5495-84-1

Caffeic Acid-13C3, 1mg

2,4-D methyl ester