InChI=1/C18H17N5/c1-12-14(13-7-3-6-10-17(13)23(12)2)11-19-22-18-20-15-8-4-5-9-16(15)21-18/h3-11H,1-2H3,(H2,20,21,22)/b19-11+/f/h20,22H 5C52F4018AA66017