InChI=1/C21H19FN2O2/c22-17-8-6-16(7-9-17)14-23-15-21(25)24-18-10-12-20(13-11-18)26-19-4-2-1-3-5-19/h1-13,23H,14-15H2,(H,24,25)/f/h24H 0185D9880E9AAFB1