InChI=1S/C17H22O8/c1-9(18)11(7-10-5-3-2-4-6-10)8-24-17-14(21)12(19)13(20)15(25-17)16(22)23/h2-6,11-15,17,19-21H,7-8H2,1H3,(H,22,23)