InChI=1S/C32H60O4/c1-3-5-7-9-11-13-15-17-19-21-23-25-29-35-31(33)27-28-32(34)36-30-26-24-22-20-18-16-14-12-10-8-6-4-2/h27-28H,3-26,29-30H2,1-2H3/b28-27+