InChI=1S/C23H47O7P/c1-21(2)17-15-13-11-9-7-5-3-4-6-8-10-12-14-16-18-23(25)29-19-22(24)20-30-31(26,27)28/h21-22,24H,3-20H2,1-2H3,(H2,26,27,28)