InChI=1S/C16H22O9/c1-6-3-10(18)8(4-9(6)17)7(2)5-24-16-13(21)11(19)12(20)14(25-16)15(22)23/h4,6-7,11-14,16,19-21H,3,5H2,1-2H3,(H,22,23)