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