4,6,3',4'-tetrahydroxy-5-methylaurone, 4,6,3',4'-tetrahydroxy-7-methyl
aurone and 6,3',4'-trihydroxy-4-methoxy-5-methylaurone were isolated f
rom Cyperus capitatus. On the basis of NMR studies, the structures of
the methylaurones previously isolated from this species were revised a
nd the compound described before as 6,3',4'-trihydroxy-4-methoxy-5-met
hylaurone is shown to be 6,3',4'-trihydroxy-4-methoxy-7-methylaurone.
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