InChI=1/C16H9N3O6/c20-13-12-10(15(22)18-16(13)23)5-2-6-11(12)17-14(21)8-3-1-4-9(7-8)19(24)25/h1-7H,(H,17,21)(H,18,22,23)/f/h17-18H 03D300EFCABFCD0A