InChI=1/C13H10N4O4/c18-12-10(13(19)16-11(15-12)5-6-14-16)7-8-1-3-9(4-2-8)17(20)21/h1-6,19H,7H2,(H,15,18)/p-2/fC13H8N4O4/h19h/q-2	3C5709E4745BA15F