InChI=1S/C41H81NO3/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-24-25-27-29-31-33-35-37-41(45)42-39(38-43)40(44)36-34-32-30-28-26-16-14-12-10-8-6-4-2/h17-18,39-40,43-44H,3-16,19-38H2,1-2H3,(H,42,45)/b18-17-/t39-,40?/m0/s1