InChI=1S/C53H102O5/c1-4-7-10-13-16-19-22-25-26-27-30-33-36-39-42-45-48-56-49-51(58-53(55)47-44-41-38-35-32-29-24-21-18-15-12-9-6-3)50-57-52(54)46-43-40-37-34-31-28-23-20-17-14-11-8-5-2/h20,23,51H,4-19,21-22,24-50H2,1-3H3/b23-20-/t51-/m1/s1