InChI=1/C15H14FN3O2/c16-11-2-1-3-13(8-11)19-14(20)9-18-15(21)10-4-6-12(17)7-5-10/h1-8H,9,17H2,(H,18,21)(H,19,20)/f/h18-19H 0C1E11CE6DCDDE35