2-溴-1-(5-溴-2-甲氧基苯基)乙酮

6-bromo-2,2-dimethylspiro[3H-chromene-4,5'-imidazolidine]-2',4'-dione

2-(4-aminophenyl)-6-bromochromen-4-one

(2-acetyl-4-bromophenyl) 2-methoxybenzoate

(2-acetyl-4-bromophenyl) 4-methoxybenzoate