InChI=1/C18H14N4O4/c23-15(24)11-21-16(25)17(26)22-14-9-5-4-8-13(14)20(18(22)19-21)10-12-6-2-1-3-7-12/h1-9H,10-11H2,(H,23,24)/p-1/fC18H13N4O4/q-1 D84DCB6CC5FFB938