Pachysandra is an eastern Asian-North American disjunct genus with three species, two in eastern Asia (Pachysandra axill......

从黄杨科野扇花属植物海南野扇花的根中分离得到６个甾体生物碱，经波谱分析及理化常数测定，确定其结构分别为帕其沙明Ａ，矮陀陀碱Ｆ，海南野扇......