Endosulfan-sulfate, 100 µg/ml, Ethyl acetate, 5m

6-Methylanthanthrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 31927-64-7

Ethanol standard in serum,0.5g/L,serum, 1.5mL

Enrofloxacin, 100 µg/ml, Methanol, 1ml