InChI=1/C18H16N4O2/c1-10-2-4-11(5-3-10)8-20-18-21-16-15(17(24)22-18)12-6-7-14(23)13(12)9-19-16/h2-5,9H,6-8H2,1H3,(H2,19,20,21,22,24)/f/h20,22H B9E65E316682213C