InChI=1S/C57H110O17P2/c1-7-10-12-14-20-29-35-41-56(61)73-52(45-67-54(59)39-33-25-13-11-8-2)47-71-75(63,64)69-43-51(58)44-70-76(65,66)72-48-53(46-68-55(60)40-34-28-24-19-21-26-31-37-49(4)5)74-57(62)42-36-30-23-18-16-15-17-22-27-32-38-50(6)9-3/h49-53,58H,7-48H2,1-6H3,(H,63,64)(H,65,66)/t50?,51-,52+,53+/m0/s1