InChI=1/C14H14F4N4O/c1-8-7-11(22(2)21-8)19-13(23)20-12(14(16,17)18)9-3-5-10(15)6-4-9/h3-7,12H,1-2H3,(H2,19,20,23)/t12-/m1/s1/f/h19-20H 2D80DF7C2DF625DD