InChI=1S/C40H81NO4/c1-3-5-7-9-11-13-15-17-18-19-20-21-22-23-25-27-29-31-33-35-39(44)41-37(36-42)40(45)38(43)34-32-30-28-26-24-16-14-12-10-8-6-4-2/h37-38,40,42-43,45H,3-36H2,1-2H3,(H,41,44)/t37-,38+,40-/m0/s1