Metronidazole, 100 µg/ml, Acetonitrile, 1ml

Eicosanoic acid (Arachidic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-30-9

Norhydrocodone hydrochloride,1000 µg base/mL,MeOH,1mL,

Cyclohexanone