InChI=1S/C51H98O16P2/c1-4-7-10-13-16-17-18-19-20-21-22-23-24-25-26-27-30-32-34-37-49(54)61-40-46(52)41-63-68(57,58)64-42-47(53)43-65-69(59,60)66-45-48(67-51(56)39-36-33-29-15-12-9-6-3)44-62-50(55)38-35-31-28-14-11-8-5-2/h19-20,46-48,52-53H,4-18,21-45H2,1-3H3,(H,57,58)(H,59,60)/b20-19-/t46-,47-,48-/m1/s1