InChI=1S/C22H22O11/c1-29-13-7-10(23)3-4-11(13)14-5-9-6-16(15(30-2)8-12(9)31-14)32-22-19(26)17(24)18(25)20(33-22)21(27)28/h3-8,17-20,22-26H,1-2H3,(H,27,28)