title: Chemical constituents of gentianaceae. IV. New xanthones of Canscora decussata.
mesh_terms: D002855:Chromatography, Thin Layer; D007659:Ketones / Q000032:analysis / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D010936:Plant Extracts / Q000032:analysis / Q000302:isolation & purification; D010944:Plants / Q000032:analysis*; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D014970:Xanthines / Q000032:analysis* / Q000302:isolation & purification
chemical_list: D007659:Ketones; D010936:Plant Extracts; D014970:Xanthines