InChI=1/C19H13N4O/c24-19-16-11-17(23-18(16)21-12-22-19)14-8-9-20-15(10-14)7-6-13-4-2-1-3-5-13/h1-12,20H/q-1/b7-6+ 0EBD4AE5CFF80984