InChI=1/C16H9N3O6/c20-13-11-7-8(5-6-9(11)14(21)18-16(13)23)17-15(22)10-3-1-2-4-12(10)19(24)25/h1-7H,(H,17,22)(H,18,21,23)/f/h17-18H DA4CABF7757C8D44