InChI=1S/C18H16FN3O/c19-12-7-14-16-13(5-6-21-18(14)23)17(22-15(16)8-12)11-3-1-10(9-20)2-4-11/h1-4,7-8,22H,5-6,9,20H2,(H,21,23)