InChI=1/C16H14N8O/c25-16(17-9-15-19-11-5-1-2-6-12(11)20-15)21-13-7-3-4-8-14(13)24-10-18-22-23-24/h1-8,10H,9H2,(H,19,20)(H2,17,21,25)/f/h17,19,21H 6A1805777D478D07