InChI=1S/C51H98O5/c1-3-5-7-9-11-13-15-17-19-21-22-23-24-25-26-27-28-30-32-34-36-38-40-42-44-46-51(54)56-49(47-52)48-55-50(53)45-43-41-39-37-35-33-31-29-20-18-16-14-12-10-8-6-4-2/h28,30,49,52H,3-27,29,31-48H2,1-2H3/b30-28-/t49-/m1/s1