InChI=1/C16H14N8O4/c1-6-3-8(9-11(21-6)23-24-15(9)26)16(27)28-7(2)14(25)22-13-10-12(18-4-17-10)19-5-20-13/h3-5,7H,1-2H3,(H2,21,23,24,26)(H2,17,18,19,20,22,25)/t7-/m1/s1/f/h18,22-23,26H EF65F01C03FE27F9