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