InChI=1/C21H19N3O2/c25-24-11-10-20-21(15-24)23(16-22-20)12-13-26-19-8-6-18(7-9-19)14-17-4-2-1-3-5-17/h1-11,15-16H,12-14H2/p+1/fC21H20N3O2/h22H/q+1 5F4571A6D22CA838