InChI=1S/C17H24O8/c1-17(2,23)10(9-6-4-3-5-7-9)8-24-16-13(20)11(18)12(19)14(25-16)15(21)22/h3-7,10-14,16,18-20,23H,8H2,1-2H3,(H,21,22)