InChI=1S/C41H70O10/c1-3-4-5-6-7-8-9-14-17-20-23-26-29-34(50-41-37(45)35(43)36(44)38(51-41)39(46)47)33(42)28-25-22-19-16-13-11-10-12-15-18-21-24-27-32-30-31(2)49-40(32)48/h19,22,30-31,34-38,41,43-45H,3-18,20-21,23-29H2,1-2H3,(H,46,47)/b22-19-