InChI=1S/C55H104O5/c1-3-5-7-9-11-13-15-17-19-21-23-25-26-27-28-30-32-34-36-38-40-42-44-46-48-50-55(58)60-53(51-56)52-59-54(57)49-47-45-43-41-39-37-35-33-31-29-24-22-20-18-16-14-12-10-8-6-4-2/h29,31-32,34,53,56H,3-28,30,33,35-52H2,1-2H3/b31-29-,34-32-/t53-/m1/s1