InChI=1/C14H12F3N3O3/c15-14(16,17)10-6-11(12(21)18-7-10)19-13(22)20-23-8-9-4-2-1-3-5-9/h1-7H,8H2,(H,18,21)(H2,19,20,22)/f/h18-20H F5B430D1B739EA10