InChI=1/C18H14N4O2/c23-13-5-3-4-12(9-13)20-18-19-10-11-8-16(24)21-15-7-2-1-6-14(15)17(11)22-18/h1-7,9-10,23H,8H2,(H,21,24)(H,19,20,22)/f/h20-21H 3598856815590D9F