InChI=1/C16H14FN3O/c17-14-5-7-15(8-6-14)20-16(21)11-19-10-13-3-1-12(9-18)2-4-13/h1-8,19H,10-11H2,(H,20,21)/f/h20H 8BC1B4EE306E2F9A