InChI=1/C16H15FN4O4/c17-12-7-6-11(9-14(12)21(24)25)19-15(22)13(20-16(18)23)8-10-4-2-1-3-5-10/h1-7,9,13H,8H2,(H,19,22)(H3,18,20,23)/t13-/m1/s1/f/h19-20H,18H2 1FF69BEEA06EDC06