InChI=1/C21H25FN4O2/c22-15-4-5-16-17(12-24-19(16)11-15)14-6-9-26(10-7-14)13-20(27)25-18-3-1-2-8-23-21(18)28/h4-6,11-12,18,24H,1-3,7-10,13H2,(H,23,28)(H,25,27)/p+1/t18-/m1/s1/fC21H26FN4O2/h23,25-26H/q+1 8F5E947D74FD3802