title: Field desorption mass spectrometry of biogenic amines and isoquinoline alkaloids: some comparisons with chemical ionization results.
mesh_terms: D000470:Alkaloids; D001679:Biogenic Amines; D007546:Isoquinolines; D013058:Mass Spectrometry / Q000379:methods*
chemical_list: D000470:Alkaloids; D001679:Biogenic Amines; D007546:Isoquinolines