InChI=1/C19H17N5/c20-16(10-13-4-2-1-3-5-13)14-6-8-15(9-7-14)17-18-19(23-11-21-17)24-12-22-18/h1-9,11-12,16H,10,20H2,(H,21,22,23,24)/p+1/t16-/m0/s1/fC19H18N5/h20,22H/q+1 90144FB627FB6BE2