[2H7]-alpha-Hydroxymetoprolol
                          [2H7]-alpha-Hydroxymetoprolol
                          [2H6]-(+)-O-Desmethyltramadol hydrochloride
                          [2H3]-(+)-N-Desmethyltramadol hydrochloride
                          [13C3]-17a-Ethynylestradiol
                          [2H10]-Eperisone hydrochloride
                          [2H6]-Simvastatin hydroxy acid sodium salt
                          [2H3]-Tofisopam
                          [13C,2H3]-Megestrol acetate
                          [13C6]-N-Desmethylasenapine hydrochloride, racemic mixture
                          [2H5]-Rel-R,R-Desethylreboxetine
                          [2H10]-Tolperisone hydrochloride
                          [2H6]-Sotalol