InChI=1/C13H16N4O/c1-2-18-11-5-3-4-9(7-11)6-10-8-16-13(15)17-12(10)14/h3-5,7-8H,2,6H2,1H3,(H4,14,15,16,17)/f/h14-15H2 E94946CEECEC718B