methyl {2-[(anilinocarbonyl)amino]-4-bromophenyl}acetate

2,5-二溴硝基苯

7-溴-1H-异色烯-1,3(4H)-二酮

5-bromo-2-(2-methoxy-2-oxoethyl)benzoic acid

methyl [2-(azidocarbonyl)-4-bromophenyl]acetate