InChI=1S/C15H18O11/c1-24-7-4-6(16)5(3-9(17)18)2-8(7)25-15-12(21)10(19)11(20)13(26-15)14(22)23/h2,4,10-13,15-16,19-21H,3H2,1H3,(H,17,18)(H,22,23)