4-溴苯甲酸乙酯

ethyl 4-(3-acetyl-3-methyltriaz-1-en-1-yl)benzoate

4-{[(4-bromo-phenyl)-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-methyl]-amino}-benzoic acid ethyl ester

对硝基苯甲酸乙酯

4-(2-nitro-benzenesulfenylamino)-benzoic acid ethyl ester