InChI=1/C13H14BrNO4/c14-8-3-4-10(11(16)6-8)13(19)15-5-1-2-9(15)7-12(17)18/h3-4,6,9,16H,1-2,5,7H2,(H,17,18)/p-1/t9-/m1/s1/fC13H13BrNO4/q-1 168C1AD4ABA1BAF9