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