InChI=1/C14H13N5O4/c1-2-4-18-10-7-11(17-5-3-15-8-17)12(19(22)23)6-9(10)16-13(20)14(18)21/h3,5-8H,2,4H2,1H3,(H,16,20)/p-1/fC14H12N5O4/q-1 2B47E76C92B4933A