InChI=1/C21H14F4N2O/c1-28-18-10-4-9-17-20(18)26-21(19-15(24)7-3-8-16(19)25)27(17)11-12-13(22)5-2-6-14(12)23/h2-10H,11H2,1H3 805AB447F1298C98