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

n-Butyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 94-26-8

N-Nitroso-N-methylaniline

Perdeuterated n-alkane Mix, 1mg/ml in Isooctane, 1ml