InChI=1S/C23H20O13/c1-31-7-5-10(32-2)12-11(6-7)33-17-8-3-4-9(24)19(18(8)34-22(30)13(12)17)35-23-16(27)14(25)15(26)20(36-23)21(28)29/h3-6,14-16,20,23-27H,1-2H3,(H,28,29)