InChI=1/C13H12FN3O3/c1-7-16-10(11(18)13(20)17-7)12(19)15-6-8-2-4-9(14)5-3-8/h2-5,18H,6H2,1H3,(H,15,19)(H,16,17,20)/f/h15-16H 659E747D66586B3A