InChI=1S/C40H68N2O2/c1-2-3-4-23-28-37(43)29-24-21-19-17-15-13-11-9-7-5-6-8-10-12-14-16-18-20-22-25-32-40(44)41-34-33-36-35-42-39-31-27-26-30-38(36)39/h23,26-28,30-31,35,37,42-43H,2-22,24-25,29,32-34H2,1H3,(H,41,44)/b28-23-