InChI=1/C15H12ClN3O3/c16-11-1-2-12-10(7-17-13(12)6-11)5-14(20)18-19-15(21)9-3-4-22-8-9/h1-4,6-8,17H,5H2,(H,18,20)(H,19,21)/f/h18-19H 8E3F6F9DCBCE273F