InChI=1/C22H16F4N2O/c1-14-3-2-4-16(11-14)21(29,22(24,25)26)17-5-10-20-15(12-17)13-27-28(20)19-8-6-18(23)7-9-19/h2-13,29H,1H3/t21-/m1/s1 A5295A1236762959