Nine compounds were isolated from the leaves of Lespedeza cuneata G. DON (Leguminosae). β-Sitosterol, succinic acid, triacontan-1-ol, quercetin, kaempferol, pinitol, avicuralin, juglanin and trifolin were identified by comparison with the respective authentic samples. Additionally, assignment of the three flavonol-glycosides was confirmed by measurement of their 13C-NMR spectra.
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Matsuura et al. (1978) studied this question.
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