InChI=1/C21H22F2N2O/c22-15-5-3-14(4-6-15)21(26)2-1-10-25-11-9-20-18(13-25)17-12-16(23)7-8-19(17)24-20/h3-8,12,21,24,26H,1-2,9-11,13H2/p+1/t21-/m1/s1/fC21H23F2N2O/h25H/q+1 283E0ADC41EDAF9A