InChI=1/C21H23FN4O2/c1-26(2)18(19-7-5-13-28-19)14-24-21(27)25-20(17-6-3-4-12-23-17)15-8-10-16(22)11-9-15/h3-13,18,20H,14H2,1-2H3,(H2,24,25,27)/p+1/t18-,20-/m0/s1/fC21H24FN4O2/h24-26H/q+1 843879AB179E2EA3