InChI=1/C16H12N8O/c17-16-19-13(12-2-1-5-25-12)14-15(20-16)24(23-22-14)8-9-3-4-11-10(6-9)7-18-21-11/h1-7H,8H2,(H,18,21)(H2,17,19,20)/f/h21H,17H2 7C2CD0739E6A65C3