InChI=1S/C52H98O5/c1-3-5-7-9-11-13-15-17-19-21-23-24-25-26-27-29-31-33-35-37-39-41-43-45-47-52(55)57-50(48-53)49-56-51(54)46-44-42-40-38-36-34-32-30-28-22-20-18-16-14-12-10-8-6-4-2/h29-32,50,53H,3-28,33-49H2,1-2H3/b31-29-,32-30-/t50-/m1/s1