title: A note on the isolation and identification of quaternary alkaloids of Phellodendron wilsonii.
mesh_terms: D000470:Alkaloids / Q000302:isolation & purification*; D001599:Berberine / Q000302:isolation & purification; D010946:Plants, Medicinal / Q000032:analysis*; D013045:Species Specificity; D013624:Taiwan
chemical_list: D000470:Alkaloids; D001599:Berberine