InChI=1/C19H20F2N4/c20-17-5-3-13(8-18(17)21)11-25-7-1-2-16(12-25)23-15-4-6-19-14(9-15)10-22-24-19/h3-6,8-10,16,23H,1-2,7,11-12H2,(H,22,24)/p+1/t16-/m1/s1/fC19H21F2N4/h24-25H/q+1 4317BC4183EAF9FB