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Six Flavonoids in Elsholtzia Densa, Beuth

Zheng Shangzhen;Yin Zuodong;Shen Xuwei Department of Chemistry  
Six Flavonoids have been isolated from Elsholtzia Densa, Beuth. Their struc- tures are determined by spectral and chemical methods as 5, 7-dihydroxy-4′-me- thoxyflavone(1), 5-hydroxy-7, 4′-dimethoxyflavanonol (2), kaempferol-3-O-β-D -glucoside (3), quercetin-3-O-β-D-glucoside (4), 5-hydroxy-3′-methoxyflava- none-7-O-rutinosides (5) and 5-hydroxy-4′-methoxyflavone-7-O-rutinoside (6).
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