InChI=1/C14H10N4O6/c19-12(20)7-17-9-6-10(16-3-1-2-4-16)11(18(23)24)5-8(9)15-13(21)14(17)22/h1-6H,7H2,(H,15,21)(H,19,20)/p-2/fC14H8N4O6/q-2 7D7D766DD26C5549