InChI=1S/C29H46O2/c1-18(2)19(3)7-8-20(4)23-11-12-24-21-9-10-25-22(17-30)27(31)14-16-29(25,6)26(21)13-15-28(23,24)5/h9,17-18,20,22-27,31H,3,7-8,10-16H2,1-2,4-6H3/t20-,22+,23?,24?,25?,26?,27+,28-,29+/m1/s1