(-)-Cotinine, 100µg/mL in Acetonitrile, 1ml

Sulfaclozine sodium monohydrate, certified, 0.1g

(±)-Desmethylcitalopram HCl, 1000µg/ml in MeOH,1ml

4-Formylaminoantipyrine, 100µg/mL in Acetonitrile, 1ml