4H-1-benzopyran-4-one, 5,7-dihydroxy-2-(4-hydroxy-2,3,5-trimethoxyphenyl)- 5,7,4'-Trihydroxy-2',3',5'-trimethoxyflavone 5,7-Dihydroxy-2-(4-hydroxy-2,3,5-trimethoxy-phenyl)-chromen-4-one 5,7-dihydroxy-2-(4-hydroxy-2,3,5-trimethoxyphenyl)-4H-chromen-4-one InChI=1/C18H16O8/c1-23-14-6-9(17(24-2)18(25-3)16(14)22)12-7-11(21)15-10(20)4-8(19)5-13(15)26-12/h4-7,19-20,22H,1-3H