InChI=1/C18H14N4O2/c1-10-20-15(9-24-10)11-5-7-12(8-6-11)18-21-14-4-2-3-13(17(19)23)16(14)22-18/h2-9H,1H3,(H2,19,23)(H,21,22)/f/h21H,19H2 2B20CE41874BED14