InChI=1/C18H13N3O3/c1-24-12-8-6-11(7-9-12)16(22)14(10-19)17-20-15-5-3-2-4-13(15)18(23)21-17/h2-9,14H,1H3,(H,20,21,23)/p-1/t14-/m0/s1/fC18H12N3O3/q-1 96AA02B7971AB8D7