InChI=1S/C17H24O7/c1-9(2)11(10-6-4-3-5-7-10)8-23-17-14(20)12(18)13(19)15(24-17)16(21)22/h3-7,9,11-15,17-20H,8H2,1-2H3,(H,21,22)