InChI=1S/C29H50O/c1-7-21(19(2)3)12-11-20(4)23-13-14-24-27-25(15-17-29(23,24)6)28(5)16-9-8-10-22(28)18-26(27)30/h18-21,23-27,30H,7-17H2,1-6H3/t20-,21?,23?,24?,25?,26+,27?,28+,29-/m1/s1