From the whole plants of Aster himalaicus, a new eudesmane-type sesquiterpene, 1-oxoeudesm-11(13)-eno-12,8alpha-lactone, along with twelve known compounds, was isolated. The structures of all compounds have been elucidated on the basis of spectroscopic data, including IR, EI-MS, HR-ESI-MS, and 1D- and 2D-NMR data.

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http://dx.doi.org/10.1002/cbdv.200900007DOI Listing

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