Propachlor, 100 µg/ml, Acetonitrile, 1ml

4-n-Nonylphenol (ring13C6), 10µg/ml, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no.

Demeton-O, 100 µg/ml, Acetonitrile, 1ml

Paraxanthine, 50mg