InChI=1/C25H20BrNO3/c1-16-11-21-20(14-27(15-29-21)13-18-5-3-2-4-6-18)25-23(16)24(28)22(30-25)12-17-7-9-19(26)10-8-17/h2-12H,13-15H2,1H3/b22-12- D15EA095EE9889C3