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New aurone epoxide and auronolignan from the heartwood of Cotinus coggygria Scop
(Taylor & Francis Ltd, Abingdon, 2019)
New aurone epoxide, 2,10-oxy-10-methoxysulfuretin (14), and new auronolignan (15), named cotinignan A, were isolated by silica gel column and semipreparative HPLC chromatography from the methylene chloride/methanol extract ...