InChI=1S/C17H15FN4O/c18-10-3-4-12-16-14(17(23)22-12)9(11-2-1-6-20-11)8-13(15(10)16)21-7-5-19/h1-4,6,8,20-21H,5,7,19H2,(H,22,23)