InChI=1/C16H15N5O4/c1-8-10-6-9(24-2)4-5-11(10)18-15(17-8)21-16-19-12(14(23)20-16)7-13(22)25-3/h4-7H,1-3H3,(H2,17,18,19,20,21,22,23)/p-1/fC16H14N5O4/h20H/q-1/b12-7- 305322619916D4FC