InChI=1S/C22H26O11/c1-6-22(2,3)10-7-9-11(31-20(10)28)8-12(29-4)17(30-5)16(9)32-21-15(25)13(23)14(24)18(33-21)19(26)27/h6-8,13-15,18,21,23-25H,1H2,2-5H3,(H,26,27)