5-Hydroxy Diclofenac, 1mg

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

O-Desmethylvenlafaxine, 1000µg/ml in MeOH, 1ml

Sotalol HCl, 100µg/ml in Acetonitrile, 1ml