InChI=1S/C53H104O16P2/c1-4-7-10-13-16-19-22-23-26-29-32-35-38-41-53(58)69-50(45-63-51(56)39-36-33-30-27-24-20-17-14-11-8-5-2)47-67-71(61,62)65-44-48(55)43-64-70(59,60)66-46-49(42-54)68-52(57)40-37-34-31-28-25-21-18-15-12-9-6-3/h48-50,54-55H,4-47H2,1-3H3,(H,59,60)(H,61,62)/t48-,49+,50+/m0/s1