生物活性: 2,3,2'',3''-Tetrahydroochnaflavone is a biflavonoid, which can be isolated from the leaves of Quintinia acutifolia. 2,3,2'',3''-Tetrahydroochnaflavone shows some cytotoxicity against P388 murine lymphocytic leukemia cells, with an IC50 of 8.2 μg/mL.