d,l-Methadone

Potassium perfluorooctanesulfonate (Technical Grade), 1.2ml x 50ug/ml, methanol

Flucythrinate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 70124-77-5

N-Nitroso-di-n-butylamine, 100mg