InChI=1/C21H17ClN2O2/c1-3-13-4-6-14(7-5-13)19-16-11-15(22)8-9-17(16)23-21(25)20(19)18-10-12(2)24-26-18/h4-11H,3H2,1-2H3,(H,23,25)/f/h23H A093AB4BA7EB02F5