Eupatilin (5,7-Dihydroxy-3',4',6-trimethoxyflavone) is an O-methylated flavone, a type of flavonoids. It can be found in Artemisia asiatica (Asteraceae). Eupatilin (5,7-Dihydroxy-3',4',6-trimethoxyflavone) is an O-methylated flavone, a type of flavonoids. It can be found in Artemisia asiatica (Asteraceae).