InChI=1/C21H18F2N2O/c22-16-6-4-14(5-7-16)12-15-2-1-3-19-20(13-26)24-25(21(15)19)18-10-8-17(23)9-11-18/h4-11,13,15H,1-3,12H2/t15-/m1/s1 21DF80FAEBEBCC0E