InChI=1S/C41H70O10/c1-3-4-5-6-7-8-9-13-16-19-22-25-28-33(42)34(50-41-37(45)35(43)36(44)38(51-41)39(46)47)29-26-23-20-17-14-11-10-12-15-18-21-24-27-32-30-31(2)49-40(32)48/h20,23,30-31,34-38,41,43-45H,3-19,21-22,24-29H2,1-2H3,(H,46,47)/b23-20-