InChI=1/C21H19N3/c1-16(24-13-12-22-15-24)17-6-9-20(10-7-17)23-21-11-8-18-4-2-3-5-19(18)14-21/h2-16,23H,1H3/t16-/m1/s1 4720EB6741BE16ED