InChI=1S/C57H110O19P2/c1-5-9-13-17-21-23-27-31-35-39-54(61)69-45-52(75-55(62)40-36-32-28-24-22-18-14-10-6-2)47-73-77(65,66)71-43-51(60)44-72-78(67,68)74-48-53(76-57(64)42-50(59)38-34-30-26-20-16-12-8-4)46-70-56(63)41-49(58)37-33-29-25-19-15-11-7-3/h49-53,58-60H,5-48H2,1-4H3,(H,65,66)(H,67,68)/t49?,50?,51-,52-,53-/m1/s1