D4-Quinoxyfen, 100 µg/ml, Acetonitrile, 1ml

4-Chlorotoluene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 106-43-4

Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane

Metronidazole,neat,neat,250mg,