InChI=1S/C22H22O11/c1-31-18-11(4-8-13(24)10-2-6-12(23)7-3-10)5-9-14(25)19(18)32-22-17(28)15(26)16(27)20(33-22)21(29)30/h2-9,15-17,20,22-23,25-28H,1H3,(H,29,30)