InChI=1/C19H15N5/c1-24-11-17(19(23-24)12-4-6-20-7-5-12)13-2-3-16-14(8-13)9-15-10-21-22-18(15)16/h2-8,10-11H,9H2,1H3,(H,21,22)/f/h21H 4FFC8417A7F9E10B