InChI=1/C21H15FN2O3/c1-26-17-12-11-16(13-5-3-2-4-6-13)19-18(17)23-21(27-19)24-20(25)14-7-9-15(22)10-8-14/h2-12H,1H3,(H,23,24,25)/f/h24H 4227A0E8C0E1F95F