InChI=1/C17H11N3O2/c18-10-13(15(21)11-6-2-1-3-7-11)16-19-14-9-5-4-8-12(14)17(22)20-16/h1-9,19H,(H,20,22)/b16-13-/f/h20H 839FC618F5AD3039