InChI=1/C13H12N2O4/c1-6-3-4-9(16)8(5-6)7(2)10-11(17)14-13(19)15-12(10)18/h3-5,16H,1-2H3,(H2,14,15,17,18,19)/p-1/fC13H11N2O4/h14H/q-1/b10-7+	2EB1BC626E65EEF5