InChI=1S/C33H62O5/c1-3-5-7-9-11-13-14-15-16-17-18-20-22-24-26-28-33(36)38-30-31(34)29-37-32(35)27-25-23-21-19-12-10-8-6-4-2/h15-16,31,34H,3-14,17-30H2,1-2H3/b16-15-/t31-/m0/s1