InChI=1S/C57H110O18P2/c1-5-9-13-17-21-24-28-32-36-40-54(60)68-46-52(74-56(62)42-38-34-30-26-23-19-15-11-7-3)48-72-76(64,65)70-44-51(59)45-71-77(66,67)73-49-53(47-69-55(61)41-37-33-29-25-22-18-14-10-6-2)75-57(63)43-50(58)39-35-31-27-20-16-12-8-4/h50-53,58-59H,5-49H2,1-4H3,(H,64,65)(H,66,67)/t50?,51-,52-,53-/m1/s1