InChI=1/C15H12N4O2/c20-14-6-2-1-5-11(14)12-8-13(19-18-12)15(21)17-10-4-3-7-16-9-10/h1-7,9,20H,8H2,(H,17,21)/f/h21H C72FF4734CABF3B8