A New Sesquiterpene from the Roots of Biondia hemsleyana

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A new sesquiterpene with a unusual modified germacrane skeleton was isolated from the ethanol extracts of the roots of Biondia hemsleyana and its structure was elucidated as 3β-hydroxy4,14-cyclogermacra-11-en-9-one by the spectroscopic methods and X-ray crystallography.
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