InChI=1/C13H11F2N3O3/c1-7-2-11(18-21-7)6-16-12(19)13(20)17-10-4-8(14)3-9(15)5-10/h2-5H,6H2,1H3,(H,16,19)(H,17,20)/f/h16,20H D0AB1FD66DA8607A