InChI=1/C16H12N6O/c23-16(14-8-19-15-13(14)2-1-7-18-15)21-11-3-5-12(6-4-11)22-10-17-9-20-22/h1-10H,(H,18,19)(H,21,23)/f/h19,21H F5B451B6370321BC