InChI=1/C15H16N4O4/c1-8-4-5-12(19(22)23)6-11(8)7-13-9(2)16-15(17-10(3)20)18-14(13)21/h4-6H,7H2,1-3H3,(H2,16,17,18,20,21)/p-1/fC15H15N4O4/h17H/q-1 8FDC37F2277FB66B