InChI=1S/C24H40O7/c1-23-8-6-16-20(22(31)21(30)17-9-12(26)5-7-24(16,17)2)15(23)4-3-14(23)13(11-25)18(27)10-19(28)29/h12-18,20-22,25-27,30-31H,3-11H2,1-2H3,(H,28,29)/t12?,13?,14?,15?,16?,17?,18?,20?,21?,22?,23-,24-/m1/s1