5-bromo-3-methyl-2-oxo-2,3-dihydro-benzoimidazole-1-carboxylic acid tert-butyl ester

硫酸二甲酯

5-Bromo-2,3-dihydro-2-oxo-1H-benzimidazole-1-carboxylic acid 1,1-dimethylethyl ester

4-溴-2-甲基氨基苯胺

N,N'-羰基二咪唑