beta-Lactam Antibiotics

Ochratoxin A, 10 µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 303-47-9

Alachlor (ring 13C6), 100ug/ml in n-Nonane, 1,2ml

1,4-Dichlorooctafluorobutane, 1g