InChI=1/C18H15N5/c1-13-5-4-6-15(11-13)21-18-20-12-14-8-10-23(17(14)22-18)16-7-2-3-9-19-16/h2-12H,1H3,(H,20,21,22)/f/h21H 2C8C65C79131C669