InChI=1/C21H18N6/c1-15-12-23-20(24-13-15)14-25-19-11-18(16-5-3-2-4-6-16)26-21(27-19)17-7-9-22-10-8-17/h2-13H,14H2,1H3,(H,25,26,27)/f/h25H 25DB11E28D8F397A