InChI=1/C15H11N3O3/c16-13(19)10-2-1-3-11-12(10)18-14(17-11)8-4-6-9(7-5-8)15(20)21/h1-7H,(H2,16,19)(H,17,18)(H,20,21)/p-1/fC15H10N3O3/h17H,16H2/q-1 A263775544C4399B