Ermanin is an O-methylated flavonol. It was isolated from Tanacetum microphyllum.[1]

References

  1. ^ Martinez, Jacqueline; Silván, Ana Maria; Abad, Maria José; Bermejo, Paulina; Villar, Angel; Söllhuber, Monica (1997). "Isolation of Two Flavonoids from Tanacetum microphyllumas PMA-Induced Ear Edema Inhibitors". Journal of Natural Products. 60 (2): 142–144. doi:10.1021/np960163u. PMID 9051913.