InChI=1S/C23H22O12/c1-31-11-4-9(3-10(24)5-11)13-8-33-14-6-12(32-2)7-15(16(14)17(13)25)34-23-20(28)18(26)19(27)21(35-23)22(29)30/h3-8,18-21,23-24,26-28H,1-2H3,(H,29,30)