Studies on the constituents of Swertia japonica. IV. Isolation and structure of xanthones.
D002855:Chromatography, Thin Layer; D007259:Infrared Rays; D010936:Plant Extracts / Q000302:isolation & purification; D010946:Plants, Medicinal / Q000032:analysis*; D013057:Spectrum Analysis; D014966:Xanthenes / Q000138:chemical synthesis*
D010936:Plant Extracts; D014966:Xanthenes