Three compounds were isolated from the overground part of the dried Equisetum hiemale L. by the methods of solvent extraction and silicagel column chromatography etc.

• 木贼（Equisetum hiemale L.；） 干燥地上部分，利用溶剂法、硅胶柱层析等分离手段，分离得到3种化合物。