InChI=1/C15H11N3O2/c19-13-8-4-1-5-10(13)9-16-18-14-11-6-2-3-7-12(11)17-15(14)20/h1-9,19H,(H,17,18,20)/b16-9-/f/h17H/b16-9-,18-14+ 2D44009E58913ABA