InChI=1S/C53H100O16P2/c1-4-7-10-13-16-19-22-25-27-30-33-36-39-51(56)63-45-50(69-53(58)41-38-35-32-29-26-23-20-17-14-11-8-5-2)47-67-71(61,62)65-44-48(55)43-64-70(59,60)66-46-49(42-54)68-52(57)40-37-34-31-28-24-21-18-15-12-9-6-3/h15,17-18,20,48-50,54-55H,4-14,16,19,21-47H2,1-3H3,(H,59,60)(H,61,62)/b18-15-,20-17-/t48-,49+,50+/m0/s1