InChI=1S/C41H68O11/c42-29-23-21-19-17-15-13-11-9-7-5-3-1-2-4-6-8-10-12-14-16-18-20-22-24-30-50-35(44)28-26-32-25-27-34(33(43)31-32)51-41-38(47)36(45)37(46)39(52-41)40(48)49/h25-28,31,36-39,41-43,45-47H,1-24,29-30H2,(H,48,49)/b28-26+