InChI=1S/C22H22O12/c1-30-13-5-12-8(4-10(13)23)9-6-31-14-3-7(2-11(24)15(14)19(9)33-12)32-22-18(27)16(25)17(26)20(34-22)21(28)29/h2-5,9,16-20,22-27H,6H2,1H3,(H,28,29)