InChI=1/C17H13FN2O/c1-2-9-8-10(12-4-3-7-19-12)15-16-13(20-17(15)21)6-5-11(18)14(9)16/h3-8,19H,2H2,1H3,(H,20,21)/f/h20H E2AE6671CA23CFA2