InChI=1/C17H16N4O/c1-17(2)11-21(15-8-12(9-18)5-6-14(15)17)16(22)20-13-4-3-7-19-10-13/h3-8,10H,11H2,1-2H3,(H,20,22)/f/h20H D4C8B1E93B2AF34D