InChI=1S/C20H41O7P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-20(22)26-17-19(21)18-27-28(23,24)25/h19,21H,2-18H2,1H3,(H2,23,24,25)/t19-/m1/s1