2,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml

Toluene D8, certified, 0.5ml

Undecanoic acid (Hendecanoic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-37-8

N,N-Dimethylformamide, 5ml