InChI=1/C17H16N4O/c1-10-6-7-18-16(8-10)21-17(22)13-4-5-14-15(9-13)20-12(3)11(2)19-14/h4-9H,1-3H3,(H,18,21,22)/f/h21H 961CF6C08D45A706