InChI=1S/C53H102O5/c1-3-5-7-9-11-13-15-17-19-21-23-24-25-26-27-28-30-32-34-36-38-40-42-44-46-48-53(56)58-51(49-54)50-57-52(55)47-45-43-41-39-37-35-33-31-29-22-20-18-16-14-12-10-8-6-4-2/h31,33,51,54H,3-30,32,34-50H2,1-2H3/b33-31-/t51-/m1/s1