DNPH - Mix 4, 10µg/ml in Acetonitrile, 5ml

Fenpyrazamine, 100 µg/ml, Acetonitrile, 1ml

1,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Tramadol-d6 hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no.