InChI=1S/C18H37O9P/c1-2-3-4-5-6-7-8-9-10-11-18(22)25-13-17(21)15-27-28(23,24)26-14-16(20)12-19/h16-17,19-21H,2-15H2,1H3,(H,23,24)/p-1