InChI=1S/C30H52O/c1-22(2)26(24(4)12-10-20-31)15-14-23(3)11-9-13-27-25(5)16-17-30(8)19-18-29(6,7)21-28(27)30/h11,24,28,31H,9-10,12-21H2,1-8H3/b23-11+