trans-Permethrin, 100 µg/ml, Cyclohexane, 1ml

Arsenic (As)

n-Eicosane, ?13C: -33.06, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 112-95-8

Atrazin, 100μg/ml in Acetonitrile, 5ml