InChI=1S/C29H52O2/c1-7-21(19(2)3)9-8-20(4)24-10-11-25-23-13-17-29(31)18-22(30)12-16-28(29,6)26(23)14-15-27(24,25)5/h19-26,30-31H,7-18H2,1-6H3