InChI=1S/C31H55O9P/c1-3-5-7-8-12-17-21-25-31(34)40-29(27-39-41(35,36)37)26-38-30(33)24-20-16-14-11-9-10-13-15-19-23-28(32)22-18-6-4-2/h13,15,19,23,29H,3-12,14,16-18,20-22,24-27H2,1-2H3,(H2,35,36,37)/b15-13-,23-19+/t29-/m1/s1