InChI=1S/C22H20O11/c1-30-19-12(32-22-18(27)16(25)17(26)20(33-22)21(28)29)7-11-13(15(19)24)14(23)10(8-31-11)9-5-3-2-4-6-9/h2-8,16-18,20,22,24-27H,1H3,(H,28,29)