InChI=1/C18H12ClN3O/c19-12-6-7-14-13(8-12)16(11-4-2-1-3-5-11)17(18(23)22-14)15-9-20-10-21-15/h1-10H,(H,20,21)(H,22,23)/f/h21-22H FB5D3650E43B03B3