InChI=1/C15H19FN4O3/c1-9(14(22)19-15(23)17-2)18-10-5-6-11(16)12(8-10)20-7-3-4-13(20)21/h5-6,8-9,18H,3-4,7H2,1-2H3,(H2,17,19,22,23)/t9-/m0/s1/f/h17,19H 1E15A9DD987AD2A7