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中文摘要：
目的：对指叶苔的化学成分进行分离和鉴定。方法：运用柱色谱方法分离纯化化合物,通过波谱数据和理化性质对其进行结构鉴定。结果：分离获得了3个化合物,分别为：5α-hydroxy-9α,10α-epoxycadinan-3-en-2β,14-olide（1）,abieslactone（2）,和24,25-dihydro-abieslactone（3）。结论：化合物1为新化合物,化合物2和3为首次从该植物中分离得到。
英文摘要：
AIM：To study the chemical constituents of Lepidozia reptans（L.） Dumont.METHODS：The chemical constituents were isolated and purified with column chromatography and their structures were elucidated on the basis of 1D and 2D NMR analysis.RESULTS：Three compounds were obtained and identified as 5α-hydroxy-9α,10α-epoxycadinan-3-en-2β,14-olide（1）,abieslactone（2）,and 24,25-dihydroabieslactone（3）.CONCLUSION：Compound 1 is a new cadinane sesquiterpenoid lactone,and compounds 2 and 3 have been isolated from this genus for the first time.
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