InChI=1/C15H12ClN3O2/c16-11-5-7-12(8-6-11)18-15(20)19-13-3-1-2-4-14(13)21-10-9-17/h1-8H,10H2,(H2,18,19,20)/f/h18-19H 7923633B66CC85F8