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