InChI=1S/C22H22O12/c1-6-8(24)3-7-12(15(6)25)19(29)13-9(4-10(32-2)17(27)14(13)16(7)26)33-22-21(31)20(30)18(28)11(5-23)34-22/h3-4,11,18,20-25,27-28,30-31H,5H2,1-2H3