InChI=1/C16H12ClN3O/c17-11-3-6-13-14(7-8-19-15(13)9-11)20-12-4-1-10(2-5-12)16(18)21/h1-9H,(H2,18,21)(H,19,20)/f/h20H,18H2 DC1BCF8E7FF6AF54