InChI=1/C20H18F4N2O2/c1-26(2)16(12-6-8-14(9-7-12)20(22,23)24)11-25-19(27)17-10-13-4-3-5-15(21)18(13)28-17/h3-10,16H,11H2,1-2H3,(H,25,27)/p+1/t16-/m1/s1/fC20H19F4N2O2/h25-26H/q+1 E388C0111387C21A