3,3',4',5,5',7-Hexahydroxyflavone 3,3'4'5,5'7-hexOH-Flavone 3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one 529-44-2 AIDS-001411 AIDS001411 Cannabiscetin Myricetin Myricetol Myricitin NSC407290