<unk>  has usually been used in the form of the hydrochloride monohydrate salt. Detection in body fluids<unk>  and its two active N-demethylated metabolites may be measured in biofluids by liquid chromatography-mass spectrometry. Plasma levels of these three species are usually in the 1–10 μg/L range in persons undergoing therapy with the drug. The parent compound and norsibutramine are often not detectable in urine, but dinorsibutramine is generally present at concentrations of >200 μg/L.
Sibutramine
Lofepramine
Quinupramine
Mitapivat
Metapramine
Nyasol
Tasimelteon
Pipotiazine