Topazolin is a flavone. Topazolin has weak fungi-toxic activity against Cladosporium herbarum AHU 9262[1].
References
[1] Tahara S, et al. New 3-Methoxyflavones in the Roots of Yellow Lupin (Lupinus luteus L. cv. Topaz). Journal of the Agricultural Chemical Society of Japan, 1987, 51(4):1039-1044.
