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\bibitem{Cachet_etal2012} Cachet, N., Ho-A-Kwie, F., Rivaud, M., Houel, E., Deharo, E., Bourdy, G., et al. (2012). Picrasin K, a new quassinoid from Quassia amara L. (Simaroubaceae). \textit{Phytochem. Lett.}, \textit{5}(1), 162--164.

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