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从肉叶鞘蕊花中分离得到４个化合物，分别鉴定为白桦树脂酸，白桦树脂醇，齐墩果酸，β－胡萝卜甙。
Four compounds were isolated from the leaf sheath sheaths, identified as birch resin acid, birch resin, oleanolic acid, and β-carrot.