Chrysoeriol is a flavone, chemically the 3'-methoxy derivative of luteolin. Chrysoeriol is a flavone, chemically the 3'-methoxy derivative of luteolin. Diosmetin is one of three possible regioisomers of chrysoeriol. Found in Artemisia. Vasorelaxant and hypotensive activity in vitro and in vivo in a murine model by intravenous infusion.