InChI=1S/C18H24O9/c1-9(2)8-25-17(24)14(10-6-4-3-5-7-10)26-18-13(21)11(19)12(20)15(27-18)16(22)23/h3-7,9,11-15,18-21H,8H2,1-2H3,(H,22,23)