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从海南萝芙木生产“降压灵”的母液中,分得一新的二聚体生物碱,命名为大斯配加春(macrospegatrine)。根据红外、紫外、质谱、氢谱及单晶X—射线衍射确定结构为Ⅰ式(图1)。
A new dimer alkaloid, named macrospegatrine, was obtained from the mother liquor produced by Rauvolfa in Hainan Province. According to infrared, ultraviolet, mass spectrometry, hydrogen spectrum and single crystal X-ray diffraction structure is determined I (Figure 1).