InChI=1S/C23H45O9P/c1-3-5-7-9-10-12-14-16-22(25)32-21(19-31-33(27,28)29)18-30-23(26)17-20(24)15-13-11-8-6-4-2/h20-21,24H,3-19H2,1-2H3,(H2,27,28,29)/t20?,21-/m1/s1