InChI=1S/C17H22O8/c1-9(18)17(2,8-10-6-4-3-5-7-10)25-16-13(21)11(19)12(20)14(24-16)15(22)23/h3-7,11-14,16,19-21H,8H2,1-2H3,(H,22,23)