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从柳叶金叶子的干燥叶中分离得到两种化学成分，经波谱学鉴定和理化常数对照，确证为已知的日本杜鹃素Ⅱ和Ⅲ。
Two chemical components were isolated from the dried leaves of the leaves of Willow Leaves, and identified by spectroscopic identification and physicochemical constants, confirming known Japanese rhododendron II and III.