InChI=1/C16H12N4O4/c1-16(12-6-3-7-24-12)14(22)20(15(23)18-16)19-13(21)11-5-2-4-10(8-11)9-17/h2-8H,1H3,(H,18,23)(H,19,21)/t16-/m1/s1/f/h18-19H CCB323EA3776E958