InChI=1/C15H12ClN3O2/c16-10-5-7-11(8-6-10)17-15(21)19-9-14(20)18-12-3-1-2-4-13(12)19/h1-8H,9H2,(H,17,21)(H,18,20)/f/h17-18H 9EF3E590074FC74E