InChI=1S/C13H14FN5O/c14-3-1-7-6-17-12(20)8-5-10(18-11(7)8)9-2-4-16-13(15)19-9/h2,4-5,7,18H,1,3,6H2,(H,17,20)(H2,15,16,19)/t7-/m0/s1