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Pyranoisoflavones from Rinorea welwitschii
M Stewart1, B Bartholomew, F Currie
1MolecularNature Ltd, Plas Gogerddan, Aberystwyth, Ceredigion SY23 3EB, UK.
Abstract:
Reversed-phase HPLC analysis of a dichloromethane extract of the stem-barks of Rinorea welwitschii has afforded two pyranoisoflavones, alpinumisoflavone (1) and di-O-methylalpinumisoflavone (2).
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