InChI=1/C17H13ClN2O/c18-13-6-4-11(5-7-13)15-10-12-2-1-3-14-16(12)20(15)9-8-19-17(14)21/h1-7,10H,8-9H2,(H,19,21)/f/h19H 8AF303889B8E0F48