Composition #1: Rezanka, Tomas., Rezanka, Pavel., Sigler, Karel. Glycosides of arylnaphthalene lignans from Acanthus mollis having axial chirality . phytochemistry, 2009, vol. 70, no. 8, p. 1049–1054. DOI: 10.1016/j.phytochem.2009.05.016.
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