InChI=1S/C53H102O5/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-35-37-39-41-43-45-47-52(55)57-50-51(49-54)58-53(56)48-46-44-42-40-38-36-34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h28,30,51,54H,3-27,29,31-50H2,1-2H3/b30-28-/t51-/m1/s1