Leucanthogenin is a natural product that can be isolated from Sideritis leucantha[1].
References
[1] Barberan F A T, et al. Electron impact mass spectrometric differentiation of 5, 6-dihydroxy-7, 8-dimethoxy-and 5, 8-dihydroxy-6, 7-dimethoxyflavones. Phytochemistry, 1986, 25(4): 923-925.
