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Four Labdane Diterpenoids from Leonurus japonicus

  • Su-Ling Xiao,
  • Peng Zhang,
  • Wen-Wu Song,
  • Yu-Le Yang,
  • Xiao-Xiang Fu,
  • Xiao-Gui Liang,
  • Duan-Tao Cao,
  • Wen-Wen Peng

摘要

A new labdane diterpenoid, leojaponotin (1), and three known labdane diterpenoids (2–4), were isolated from Leonurus japonicus. Their structures were elucidated by spectroscopic analysis including NMR and MS.