2,4,7-Trihydroxy-9,10-dihydrophenanthrene
2,4,7-Trihydroxy-9,10-dihydrophenanthrene is a dihydrophenanthrene derivative that can be isolated from the air-dried whole plant of Pholidota chinensis Lindl.. 2,4,7-Trihydroxy-9,10-dihydrophenanthrene shows potent activities of IC50 at 16.2 μM in DPPH radical-scavenging assay[1].