InChI=1/C19H13N5O/c1-12-6-8-13(9-7-12)18(25)22-17-14(10-20)11-24-16-5-3-2-4-15(16)21-19(24)23-17/h2-9,11H,1H3,(H,21,22,23,25)/f/h22H 41C2458223C2B1B5