InChI=1/C14H16N6O/c1-14(2,3)11-12(21)17-13(20-19-11)16-9-5-4-8-7-15-18-10(8)6-9/h4-7H,1-3H3,(H,15,18)(H2,16,17,20,21)/f/h16-18H 7DE6CCCC6E1DF553