InChI=1S/C18H19O10P/c1-11(19)25-18(26-12(2)20,27-13(3)21)28-29(23,24)17(22)16-9-8-14-6-4-5-7-15(14)10-16/h4-10,17,22H,1-3H3,(H,23,24)