InChI=1/C13H11F3N4O/c14-13(15,16)8-3-1-4-9(7-8)19-12(21)10-5-2-6-18-11(10)20-17/h1-7H,17H2,(H,18,20)(H,19,21)/f/h19-20H 6BFA9DD14609F5EA