InChI=1/C21H19F3N2O3/c22-21(23,24)29-19-9-2-1-6-17(19)13-25-12-15-5-3-7-16(11-15)20(27)26-14-18-8-4-10-28-18/h1-11,25H,12-14H2,(H,26,27)/f/h26H 3291A29D7B572283