Ochratoxin A, 10.0 µg/ml, Acetonitrile, 5ml

4-Methylethcathinone hydrochloride, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 1225617-18-4 (free base)

2-Amino-5-nitropyridine, >98%, 5g

Chlorpyrifos-methyl-desmethyl sodium, 25mg