InChI=1S/C16H18O10/c1-24-8-4-2-3-7(5-6-9(17)18)13(8)25-16-12(21)10(19)11(20)14(26-16)15(22)23/h2-6,10-12,14,16,19-21H,1H3,(H,17,18)(H,22,23)