InChI=1/C13H14BrNO5/c14-9-5-8(6-10-12(9)20-7-19-10)11(13(16)17)15-1-3-18-4-2-15/h5-6,11H,1-4,7H2,(H,16,17)/p-1/t11-/m0/s1/fC13H13BrNO5/q-1 2131520E64FE2910