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