InChI=1/C19H14BrNO3/c1-12(22)13-3-2-4-17(11-13)21-19(23)14-7-8-24-18-6-5-16(20)10-15(18)9-14/h2-11H,1H3,(H,21,23)/f/h21H 8DBA89FDFF6D2E0C