InChI=1/C19H12N6/c20-12-16-10-14(6-8-21-16)18-23-19(25-24-18)15-7-9-22-17(11-15)13-4-2-1-3-5-13/h1-11H,(H,23,24,25)/f/h24H DF7901CCB78D8F0F