InChI=1/C21H18BrNO2/c1-2-25-20-14-15(13-19(22)21(20)24)12-18(16-6-4-3-5-7-16)17-8-10-23-11-9-17/h3-14,24H,2H2,1H3/b18-12+ F4B4492A8045CFB5