Methods: Solvent partition and column chromatography used to isolate and purify Laggera pterodonta compounds.The isolated compounds were further elucidated by high field NMR spectroscopy.

 
  • 方法:應用萃取,色譜等分離手段及各種波譜技術(shù),對樣品中各極性部位的化學(xué)成分進(jìn)行分離純化和結構測定。
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