Parathion-ethyl, 100 µg/ml, Ethyl acetate, 5ml

rac-Nor Laudanosine Hydrochloride, 100mg

Chloramphenicol, 100 µg/ml, Acetonitrile, 1ml

1,1,1,3,10,11-Hexachloroundecane,100 µg/mL,acetone,1mL