InChI=1/C20H16FNO3/c21-13-3-1-2-12(8-13)9-18-19(23)15-6-7-17-16(20(15)25-18)10-22(11-24-17)14-4-5-14/h1-3,6-9,14H,4-5,10-11H2/b18-9- 91149FF3CEB67331