InChI=1/C16H18FN5O/c1-8(14-9(2)21-22(4)10(14)3)20-16(23)12-5-11(17)6-13-15(12)19-7-18-13/h5-8H,1-4H3,(H,18,19)(H,20,23)/t8-/m1/s1/f/h18,20H 37E25A3FB599C00C