InChI=1S/C55H106O16P2/c1-4-7-10-13-16-18-20-22-24-26-28-30-33-35-38-41-53(58)65-47-52(71-55(60)43-40-37-34-31-29-27-25-23-21-19-17-14-11-8-5-2)49-69-73(63,64)67-46-50(57)45-66-72(61,62)68-48-51(44-56)70-54(59)42-39-36-32-15-12-9-6-3/h23,25,50-52,56-57H,4-22,24,26-49H2,1-3H3,(H,61,62)(H,63,64)/b25-23-/t50-,51+,52+/m0/s1