InChI=1S/C53H100O16P2/c1-4-7-10-13-16-19-22-25-28-30-33-36-39-51(56)63-42-48(54)43-65-70(59,60)66-44-49(55)45-67-71(61,62)68-47-50(46-64-52(57)40-37-34-31-27-24-21-18-15-12-9-6-3)69-53(58)41-38-35-32-29-26-23-20-17-14-11-8-5-2/h15-16,18-19,48-50,54-55H,4-14,17,20-47H2,1-3H3,(H,59,60)(H,61,62)/b18-15-,19-16-/t48-,49-,50-/m1/s1