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    • An anthrone, an anthraquinone and two oxanthrones from Kniphofia foliosa 

      Yenesew, Abiy; Müller, Michael; Steglich, Wolfgang; Dagne, Eermias (University of NairobiCollege of Biological and Physical Sciences, 1994)
      The compounds isoknipholone, isoknipholone anthrone, foliosone and isofoliosone were isolated from the stem of Kniphofia foliosa and their structures determined by spectral analyses. In addition, the known compounds, ...