InChI=1/C15H14ClN3O2/c16-12-6-4-11(5-7-12)15(21)19-18-14(20)9-8-13-3-1-2-10-17-13/h1-7,10H,8-9H2,(H,18,20)(H,19,21)/f/h18-19H 66EEDDC966EFA2B7