InChI=1/C12H11BrN2O4/c13-7-4-9-8(14-12(17)15-9)3-6(7)11(16)10-5-18-1-2-19-10/h3-4,10H,1-2,5H2,(H2,14,15,17)/t10-/m0/s1/f/h14-15H 6F4ED89D3314FEB7