InChI=1/C19H17FN2O2/c1-2-5-13-8-10-14(11-9-13)18(23)15(12-21)19(24)22-17-7-4-3-6-16(17)20/h3-4,6-11,22,24H,2,5H2,1H3/p-1/b19-15-/fC19H16FN2O2/h24h/q-1 FB172ABEB5CB43EA