InChI=1S/C31H52O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-29-26-30(32)28-31(33)27-29/h6-7,9-10,26-28,32-33H,2-5,8,11-25H2,1H3/b7-6+,10-9+