InChI=1/C11H11BrO4/c1-16-9-3-5(2-8(12)10(9)13)6-4-7(6)11(14)15/h2-3,6-7,13H,4H2,1H3,(H,14,15)/p-1/t6-,7+/m1/s1/fC11H10BrO4/q-1 C5FAC25CBD647BD3