InChI=1/C21H17N3O/c1-25-18-9-5-8-17(14-18)20-19(15-10-12-22-13-11-15)23-21(24-20)16-6-3-2-4-7-16/h2-14H,1H3,(H,23,24)/f/h24H 62A461D06F0E4480