InChI=1S/C22H22O10/c1-9-16(24)18(26)20(28)22(30-9)32-15-8-14-12(7-13(15)23)17(25)19(27)21(31-14)10-3-5-11(29-2)6-4-10/h3-9,16,18,20,22-24,26-28H,1-2H3