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Two new iridoids, named patridoid I (1) and patridoid II (2), were isolated from the whole plant of Patrinia saniculaefolia (Valerianaceae), together with the known one, nardostachin (3). The structures of compounds 1 and 2 were established on the basis of spectroscopic methods, including two dimensional (2D NMR) and high resolution fast atom bombardment mass spectrometry (HR-FAB-MS).
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An et al. (2003) studied this question.
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