InChI=1/C13H13N5O4/c19-10-7-18(13(22)15-10)16-11(20)8-2-1-3-9(6-8)17-5-4-14-12(17)21/h1-3,6H,4-5,7H2,(H,14,21)(H,16,20)(H,15,19,22)/p-1/fC13H12N5O4/h14,16H/q-1 5537A47898B52E2F