Dichlobenil, 100 µg/ml, Ethyl acetate, 5ml

N-Nitroso-4-(2-hydroxyethyl)-piperazin-2-one,neat,neat,10mg,

Fenthion-oxon-sulfoxide, 10.0 µg/ml, Acetonitrile

13C,15N2-Nitrofurazone, 10mg