InChI=1/C20H15ClN2O/c21-17-8-4-7-15(11-17)16-9-10-18-19(12-16)23(20(24)22-18)13-14-5-2-1-3-6-14/h1-12H,13H2,(H,22,24)/f/h24H 1D443C2028C3CA84