InChI=1/C11H12N4O/c12-9(16)6-2-1-3-7-8(6)15-10(14-7)11(13)4-5-11/h1-3H,4-5,13H2,(H2,12,16)(H,14,15)/f/h14H,12H2 5CFE0C7BD407B424