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Extraction of rhizomes and roots of Patrinia heterophylla gave a new iridoid, named patriheterdoid A. Its structure was elucidated based primarily on HR-ESI-MS, 1D, and 2D NMR analyses. Together with patriheterdoid A, three known analogues have been isolated and identified by means of mass spectrometry and 1H and 13C NMR spectroscopy. Patriheterdoid A and the three known analogues showed cytotoxicity...
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