InChI=1S/C19H18FN3O2/c20-15-9-14(11-17(12-15)23-5-7-25-8-6-23)19(24)22-16-1-2-18-13(10-16)3-4-21-18/h1-4,9-12,21H,5-8H2,(H,22,24)