InChI=1S/C55H108O16P2/c1-4-7-10-13-16-19-22-24-27-29-32-35-38-41-53(58)65-47-52(71-55(60)43-40-37-34-31-28-25-23-20-17-14-11-8-5-2)49-69-73(63,64)67-46-50(57)45-66-72(61,62)68-48-51(44-56)70-54(59)42-39-36-33-30-26-21-18-15-12-9-6-3/h50-52,56-57H,4-49H2,1-3H3,(H,61,62)(H,63,64)/t50-,51+,52+/m0/s1