InChI=1/C21H18F4N2O/c22-18-8-7-16(19(10-18)21(23,24)25)12-27-13-17-5-1-2-6-20(17)28-14-15-4-3-9-26-11-15/h1-11,27H,12-14H2/p+1/fC21H19F4N2O/h27H/q+1 92444F62060C223C