InChI=1/C15H19FN4O4/c1-10(21)17-8-11-3-2-6-19(9-11)15(22)18-14-7-12(20(23)24)4-5-13(14)16/h4-5,7,11H,2-3,6,8-9H2,1H3,(H,17,21)(H,18,22)/t11-/m1/s1/f/h17-18H AA1F5DBF3F5996E1