InChI=1/C16H10N4O6/c21-11-9(12(22)18-15(25)17-11)5-7-2-1-3-8(4-7)6-10-13(23)19-16(26)20-14(10)24/h1-6H,(H2,17,18,21,22,25)(H2,19,20,23,24,26)/f/h17-20H C87A7D5827D3D459