InChI=1S/C16H20O11/c1-24-7-3-6(5-9(17)18)4-8(25-2)13(7)26-16-12(21)10(19)11(20)14(27-16)15(22)23/h3-4,10-12,14,16,19-21H,5H2,1-2H3,(H,17,18)(H,22,23)