InChI=1/C17H14N4O2/c18-16-13-10-11(6-8-14(13)20-17(19)21-16)7-9-15(22)23-12-4-2-1-3-5-12/h1-10H,(H4,18,19,20,21)/b9-7+/f/h18-19H2 F2E647CAAFA88C88