InChI=1/C19H16FN3O4/c20-15-7-5-13(6-8-15)17-12-22-19(27-17)10-9-18(24)21-11-14-3-1-2-4-16(14)23(25)26/h1-8,12H,9-11H2,(H,21,24)/f/h21H 3C768ECA92E8AA9D