InChI=1/C13H12N4O/c14-7-2-4-10-3-1-5-11(9-10)16-13(18)12-6-8-15-17-12/h1,3,5-6,8-9H,7,14H2,(H,15,17)(H,16,18)/p+1/fC13H13N4O/h14,16-17H/q+1 FE956DF1FEBE20AB