A New Neolignan Glycoside from Pedicularis armata

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A new neolignan glycoside named armaoside (1) was isolated from the whole plant of Pedicularis armata Maxim. Its structure was elucidated by spectroscopic and chemical methods.Antibacterial assay showed that it has moderately antibacterial activities against Eschecichia coli,Bacillus subtilis and Staphylococcus aureus.
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