InChI=1S/C22H24O10/c1-9-16(24)18(26)20(28)22(30-9)31-12-7-13(23)15-14(8-12)32-21(19(27)17(15)25)10-3-5-11(29-2)6-4-10/h3-9,16,18-24,26-28H,1-2H3