InChI=1/C15H16N4/c1-2-13-12(14(16)19-15(17)18-13)10-6-9-11-7-4-3-5-8-11/h3-5,7-8H,2,9H2,1H3,(H4,16,17,18,19)/f/h16-17H2 BF7A6BAE4ECE554E