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The known compounds lupeol, ß-sitosterol, (+)-sesamin, trans -dimethylmatairesinol, hesperidin, (-)- cis - N -methylcanadine and sucrose were isolated from Zanthoxylum sprucei . The 1 H-NMR and 13 C-NMR signals of (-)- cis - N -methylcanadine are hereby fully assigned.
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Binutu et al. (2000) studied this question.
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