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Qinanmer (1), a new compound comprising 2-(2-phenylethyl)chromone and sesquiterpene moieties, together with two known 2-(2-phenylethyl)chromone derivatives (2–3), was isolated from the high-quality Chinese agarwood “Qi-Nan” originating from Aquilaria sinensis (Lour.) Glig. The structure of 1 was elucidated by spectroscopic techniques (UV, IR, 1D and 2D NMR), MS analyses, ECD spectra analyses, and quantum 13C NMR calculations.
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