InChI=1S/C21H24F2N4O/c1-2-25-20(28)27-21(11-6-12-24,15-7-4-3-5-8-15)14-19(26-27)17-13-16(22)9-10-18(17)23/h3-5,7-10,13H,2,6,11-12,14,24H2,1H3,(H,25,28)/t21-/m0/s1