InChI=1S/C57H110O17P2/c1-5-9-13-17-20-23-24-25-26-27-29-32-36-40-44-57(62)74-53(48-68-55(60)42-38-34-31-28-21-18-14-10-6-2)50-72-76(65,66)70-46-51(58)45-69-75(63,64)71-49-52(47-67-54(59)41-37-33-16-12-8-4)73-56(61)43-39-35-30-22-19-15-11-7-3/h51-53,58H,5-50H2,1-4H3,(H,63,64)(H,65,66)/t51-,52+,53+/m0/s1