InChI=1/C18H20FN2O4P/c1-2-25-26(24,16-9-5-8-15(19)11-16)21-12-14-7-4-3-6-13(14)10-17(21)18(22)20-23/h3-9,11,17,23H,2,10,12H2,1H3,(H,20,22)/t17-,26-/m0/s1/f/h20H 973265440C9BDDF8