InChI=1S/C20H22O11/c1-7(22)12-9(6-21)3-8-4-10(29-2)5-11(13(8)14(12)23)30-20-17(26)15(24)16(25)18(31-20)19(27)28/h3-5,15-18,20-21,23-26H,6H2,1-2H3,(H,27,28)