InChI=1/C18H14N6O2/c19-9-13-2-1-3-14(8-13)18(26)21-10-17(25)23-15-4-6-16(7-5-15)24-12-20-11-22-24/h1-8,11-12H,10H2,(H,21,26)(H,23,25)/f/h21,23H 32ACF66FBD1D1318