Monocrotophos, 100 µg/ml, Toluene, 1ml

(±)-Nicotine-2,4,5,6-d4 (pyridine-d4),1000 µg/mL,acetonitrile,1mL,

1-Chloro-3-nitrobenzene, 1000µg/ml in MeOH, 1ml

D6-Parathion-methyl, 100 µg/ml, Acetonitrile, 1m