InChI=1S/C53H103O10P/c1-3-5-7-9-11-13-15-17-19-21-23-24-25-27-29-31-33-35-37-39-41-43-45-53(57)63-51(49-62-64(58,59)61-47-50(55)46-54)48-60-52(56)44-42-40-38-36-34-32-30-28-26-22-20-18-16-14-12-10-8-6-4-2/h25,27,50-51,54-55H,3-24,26,28-49H2,1-2H3,(H,58,59)/b27-25-/t50-,51+/m0/s1