InChI=1S/C54H104O13P2/c1-3-5-7-9-11-13-15-17-19-21-22-23-24-25-26-27-28-30-32-34-36-38-40-42-44-46-54(57)67-52(50-66-69(61,62)65-48-51(55)47-64-68(58,59)60)49-63-53(56)45-43-41-39-37-35-33-31-29-20-18-16-14-12-10-8-6-4-2/h18,20,26-27,51-52,55H,3-17,19,21-25,28-50H2,1-2H3,(H,61,62)(H2,58,59,60)/b20-18-,27-26-/t51-,52+/m0/s1