InChI=1/C16H11BrF3NO4/c1-7(25-16(24)9-6-8(17)2-5-12(9)22)15(23)21-11-4-3-10(18)13(19)14(11)20/h2-7,22H,1H3,(H,21,23)/t7-/m0/s1/f/h21H A80DEBF2EC21023C