InChI=1/C14H14FN3O3/c15-10-5-8-11(17-7-9(13(8)19)14(20)21)6-12(10)18-3-1-16-2-4-18/h5-7,16H,1-4H2,(H,17,19)(H,20,21)/f/h16-17H 7E75C692E23AF96E