InChI=1/C15H13N3O5/c19-14-7-6-11(8-13(14)18(21)22)9-16-17-15(20)10-23-12-4-2-1-3-5-12/h1-9,19H,10H2,(H,17,20)/b16-9-/f/h17H 3EA31906B39F6A0A