InChI=1/C16H12N4/c17-15-14-13(11-8-4-5-9-12(11)18-15)19-16(20-14)10-6-2-1-3-7-10/h1-9H,(H2,17,18)(H,19,20)/f/h19H,17H2 934035A3D430E688