InChI=1S/C29H54O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-29(31)27-28(2)30/h10-11H,3-9,12-27H2,1-2H3/b11-10-