InChI=1S/C22H22O12/c1-30-13-6-9-5-12(33-18(9)17(27)19(13)31-2)8-3-10(23)7-11(4-8)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)