InChI=1/C16H12N4O5/c21-12-4-2-1-3-10(12)15(24)19-20-16(25)17-8-5-6-9-11(7-8)14(23)18-13(9)22/h1-7,21H,(H,19,24)(H2,17,20,25)(H,18,22,23)/f/h17-20H 04BF9D81ABD06CFC