InChI=1/C16H13N3O3/c1-22-15(20)11-4-2-10(3-5-11)9-17-12-6-7-13-14(8-12)19-16(21)18-13/h2-9H,1H3,(H2,18,19,21)/f/h18-19H E6281B0C6552DFD2