InChI=1/C16H12N8O/c17-16-19-14-12(20-22-23(14)9-10-5-2-1-3-6-10)15-18-13(21-24(15)16)11-7-4-8-25-11/h1-8H,9H2,(H2,17,19)/f/h17H2 6568B4143436075E