InChI=1S/C27H46O2/c1-17(2)7-6-8-18(3)21-9-10-22-25-23(12-14-27(21,22)5)26(4)13-11-20(28)15-19(26)16-24(25)29/h17-19,21-25,29H,6-16H2,1-5H3/t18?,19?,21?,22?,23?,24-,25?,26-,27+/m0/s1