InChI=1/C21H17N3O/c1-25-18-9-7-15(8-10-18)19-20(16-11-13-22-14-12-16)24-21(23-19)17-5-3-2-4-6-17/h2-14H,1H3,(H,23,24)/p+1/fC21H18N3O/h23-24H/q+1 225624BA8AD12C9B