2-(3, 4-dihydroxyphenyl)-2-((2-(3, 4-dihydroxyphenyl)-5, 7-dihydrochromany-3-yl) oxy) benzodihydropyrane-3,4,5, 7-tetraol is a polyphenol compound widely present in higher plants and has a variety of biological activities. It is composed of electrophilic flavanyl units and can be used as an antioxidant and anticancer agent (refer to related literature).
