InChI=1S/C40H68N2O2/c1-36(43)29-25-23-21-19-17-15-13-11-9-7-5-3-2-4-6-8-10-12-14-16-18-20-22-24-26-32-40(44)41-34-33-37-35-42-39-31-28-27-30-38(37)39/h21,23,27-28,30-31,35-36,42-43H,2-20,22,24-26,29,32-34H2,1H3,(H,41,44)/b23-21-