Novel phenanthrene/bibenzyl trimers from the tubers of Bletilla striata attenuate neuroinflammation via inhibition of NF-κB signaling pathway
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Five novel (9,10-dihydro) phenanthrene and bibenzyl trimers, as well as two previously identified biphenanthrenes and bibenzyls, were isolated from the tubers of Bletilla striata. Their structures were elucidated through comprehensive analyses of NMR and HRESI... ...