InChI=1S/C57H110O17P2/c1-7-9-11-13-14-15-16-17-21-28-34-40-55(60)68-46-53(73-56(61)41-35-29-22-19-18-20-26-31-37-49(3)4)48-72-76(65,66)70-44-51(58)43-69-75(63,64)71-47-52(45-67-54(59)39-33-25-12-10-8-2)74-57(62)42-36-30-24-23-27-32-38-50(5)6/h49-53,58H,7-48H2,1-6H3,(H,63,64)(H,65,66)/t51-,52+,53+/m0/s1