InChI=1S/C31H50O3/c1-20-22(33)9-10-23-27(20,5)12-11-24-28(23,6)14-15-30(8)25-19-26(3,4)13-17-31(25,34-21(2)32)18-16-29(24,30)7/h20,23-25H,9-19H2,1-8H3