InChI=1S/C57H110O17P2/c1-5-9-13-17-21-22-23-24-25-26-27-28-32-34-38-42-55(60)68-48-53(74-57(62)44-40-36-31-20-16-12-8-4)50-72-76(65,66)70-46-51(58)45-69-75(63,64)71-49-52(73-56(61)43-39-35-30-19-15-11-7-3)47-67-54(59)41-37-33-29-18-14-10-6-2/h51-53,58H,5-50H2,1-4H3,(H,63,64)(H,65,66)/t51-,52-,53-/m1/s1