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Six new phloroglucinol derivatives, xanchryones I−N (1–6), were isolated from the leaves of Xanthostemon chrysanthus. Compounds 1–6 are unusual phloroglucinol‐amino acid hybrids constructed through C2−N and O−C1′ bonds forming a peculiar oxazole ring. The structures and absolute configurations of compounds 1–6 were determined by MS, NMR, and single‐crystal X‐ray diffraction. Moreover, the anti‐inflammatory...
A rule-based model based on time series MODIS (moderate resolution imaging spectroradiometer) imagery was developed to simulate the wetland vegetation pattern responding to water-level change in Dongting Lake and Poyang Lake before and after the impoundment of the Three Gorges Reservoir. The accuracy of the model was evaluated by the error matrix and indicated satisfactory results. Similar development...
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