Kumatakenin is an O-methylated flavonol. It can be found in Astragalus membranaceus.[1]

References

  1. ^ Dungérdorzh, D; Petrenko, V. V (1972). "Kumatakenin from Astragalus membranaceus". Chemistry of Natural Compounds. 8 (3): 382. doi:10.1007/BF00563758.