InChI=1/C21H19F3N2O2/c22-21(23,24)18-8-6-15(7-9-18)12-25-13-16-3-1-4-17(11-16)20(27)26-14-19-5-2-10-28-19/h1-11,25H,12-14H2,(H,26,27)/f/h26H E445286026C8829D