InChI=1/C16H11FN2O/c1-8-7-9(11-3-2-6-18-11)14-15-12(19-16(14)20)5-4-10(17)13(8)15/h2-7,18H,1H3,(H,19,20)/f/h19H 00082709EE8E8A7D