methyl 4-trimethylsilylcarbonylbenzoate

4-氨基甲酰苯甲酸甲酯

N,N-dicarbethoxy-4,8-dicarbomethoxy-2,6-diazabicyclo[3.3.0]octa-3,7-diene

methyl 4-(3-oxo-3-phenylpropanoyl)benzoate

methyl 4-(dodecylcarbamoyl)benzoate