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