InChI=1/C18H14N4O2/c23-15-8-4-3-7-14(15)21-18-19-10-11-9-16(24)20-13-6-2-1-5-12(13)17(11)22-18/h1-8,10,23H,9H2,(H,20,24)(H,19,21,22)/f/h20-21H 72307710594752ED