InChI=1S/C16H26O8/c1-6(2)8-4-9(17)7(3)10(5-8)23-16-13(20)11(18)12(19)14(24-16)15(21)22/h6-8,10-14,16,18-20H,4-5H2,1-3H3,(H,21,22)