InChI=1S/C21H45O6P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-26-19-21(22)20-27-28(23,24)25/h21-22H,2-20H2,1H3,(H2,23,24,25)/t21-/m1/s1