InChI=1/C18H15N3O4/c1-2-11-4-3-5-14-12(9-20-17(11)14)6-7-16-15(18(22)23)8-13(10-19-16)21(24)25/h3-10,20H,2H2,1H3,(H,22,23)/p-1/b7-6+/fC18H14N3O4/q-1 108A7E5D50E50326