InChI=1/C20H14F2N2O/c21-13-4-8-19(17(22)11-13)24-14-5-6-15-12(10-14)3-7-18-16(20(15)25)2-1-9-23-18/h1-2,4-6,8-11,24H,3,7H2 6E1A17D51D7956C9