1,3,4,5-四氢-2H-1-苯并氮杂卓-2-酮

2,5-dioxo-2,3,4,5-tetrahydro-1H-benz[b]azepine-4-carboxylic acid methyl ester

2-[(4-乙氧基-1,4-二氧代丁基)氨基]苯甲酸乙酯

2-氨基苯甲酸乙酯

Methyl 2-[(4-methoxy-4-oxobutanoyl)amino]benzoate