D10-Chlorpyrifos, 100 µg/ml, Acetone, 1ml

O,O-Diethyl dithiophosphate-13C4, ammonium salt,100 µg acid/mL,MeOH,1mL,

Phorate-oxon-sulfone, 100 µg/ml, Acetonitrile, 1

n-Nonyl n-undecyl phthalate