InChI=1S/C56H110O16P2/c1-4-7-10-13-16-18-20-22-23-24-25-26-27-28-30-32-35-38-41-44-56(61)72-53(48-66-54(59)42-39-36-34-31-29-21-19-17-14-11-8-5-2)50-70-74(64,65)68-47-51(58)46-67-73(62,63)69-49-52(45-57)71-55(60)43-40-37-33-15-12-9-6-3/h51-53,57-58H,4-50H2,1-3H3,(H,62,63)(H,64,65)/t51-,52+,53+/m0/s1