InChI=1S/C31H55O9P/c1-3-5-7-8-12-16-20-24-30(33)38-26-29(27-39-41(35,36)37)40-31(34)25-21-17-14-11-9-10-13-15-19-23-28(32)22-18-6-4-2/h6,13,15,18-19,23,28-29,32H,3-5,7-12,14,16-17,20-22,24-27H2,1-2H3,(H2,35,36,37)/b15-13+,18-6+,23-19+/t28?,29-/m1/s1