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