InChI=1S/C51H98O5/c1-3-5-7-9-11-13-15-17-19-21-23-25-26-28-30-32-34-36-38-40-42-44-46-51(54)56-49(47-52)48-55-50(53)45-43-41-39-37-35-33-31-29-27-24-22-20-18-16-14-12-10-8-6-4-2/h24,27,49,52H,3-23,25-26,28-48H2,1-2H3/b27-24-/t49-/m1/s1