100647-26-5 21967-41-9 27462-75-5 31564-28-0 7-D-Glucuronic acid-5,6-dihydroxyflavone Baicalin beta-D-Glucopyranosiduronic acid, 5,6-dihydroxy-4-oxo-2-phenyl-4H-1-benzopyran-7-yl