InChI=1/C16H14Br2N2O3/c17-10-1-3-13(12(18)7-10)19-9-16(21)20-11-2-4-14-15(8-11)23-6-5-22-14/h1-4,7-8,19H,5-6,9H2,(H,20,21)/f/h20H 5C4A11ABD38D9DCD