InChI=1S/C55H108O16P2/c1-4-7-10-13-16-17-18-19-20-21-22-23-24-25-26-27-28-29-30-31-34-36-38-41-53(58)65-44-50(56)45-67-72(61,62)68-46-51(57)47-69-73(63,64)70-49-52(71-55(60)43-40-37-33-15-12-9-6-3)48-66-54(59)42-39-35-32-14-11-8-5-2/h50-52,56-57H,4-49H2,1-3H3,(H,61,62)(H,63,64)/t50-,51-,52-/m1/s1