New acylphloroglucinol-sesquiterpenoid adducts with antiviral activities from Dryopteris atrata
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Seven novel acylphloroglucinol-sesquiterpenoid adducts, designated as dryatraols J-P (1-7), were isolated from the rhizomes of Dryopteris atrata (Wall. ex Kunze) Ching. The structures, including absolute configurations, were elucidated using comprehensive spec... ...