InChI=1/C17H14N4O2/c22-17(11-3-4-11)21-15-6-5-12(13-7-8-18-10-19-13)16(20-15)14-2-1-9-23-14/h1-2,5-11H,3-4H2,(H,20,21,22)/f/h21H AF7CBB7FDD3FC7BF