InChI=1S/C24H38O7/c1-22(31,7-6-20(29)30)17-5-4-14-21-15(11-19(28)24(14,17)3)23(2)12(9-16(21)26)8-13(25)10-18(23)27/h12,14-19,21,26-28,31H,4-11H2,1-3H3,(H,29,30)/t12?,14?,15?,16?,17?,18?,19?,21?,22?,23-,24-/m0/s1