自狭叶藜芦中分离出一种新碱狭叶藜芦碱甲,根据光谱数据和衍生物的制备确定其结构。药理实验表明,该化合物有较强且持久的降压和减慢心律的生理活性。 A neo-alkali leaf of Veratridine A was isolated from Verticilla sp., and its structure was determined based on spectral data and the preparation of derivatives. Pharmacological experiments have shown that the compound has a strong and long-lasting physiological activity for lowering blood pressure and slowing heart rhythm.