InChI=1/C17H12BrN3O5/c18-12-4-5-15(11(7-12)8-14-16(22)20-17(23)19-14)26-9-10-2-1-3-13(6-10)21(24)25/h1-8H,9H2,(H2,19,20,22,23)/b14-8+/f/h19-20H 7B28A471D7BDABDB