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