InChI=1/C11H10BrF3N2O3/c12-6-1-2-7(9(18)19)8(5-6)17-10(20)16-4-3-11(13,14)15/h1-2,5H,3-4H2,(H,18,19)(H2,16,17,20)/p-1/fC11H9BrF3N2O3/h16-17H/q-1 2E6B7103B40A74BF