C20H18O4

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The molecular formula C20H18O4 may refer to:

  • Glabrene, an isoflavonoid that is found in Glycyrrhiza glabra (licorice)
  • Phaseolin (pterocarpan), a prenylated pterocarpan found in French bean (Phaseolus vulgaris) seeds and in the stems of Erythrina subumbrans