甲基4-(氟羰基)苯甲酸酯

4-(4-甲氧基苯甲酰基)苯甲酸甲酯

4-氨基甲酰苯甲酸甲酯

methyl 4-[(4-nitrophenyl)carbamoyl]benzoate

methyl 4-(2-pyridin-3-ylethylcarbamoyl)benzoate