InChI=1/C20H19FN4O4/c1-23-6-5-14(11-18(23)26)20(28)29-13-19(27)25-9-7-24(8-10-25)17-4-2-3-16(21)15(17)12-22/h2-6,11H,7-10,13H2,1H3 A2BFFEB801DD316F