1-(4-acetylphenyl)-3-(4-chlorophenyl)urea

1-(4-乙酰基苯基)-5-氧代吡咯烷-3-羧酸

[4-(溴乙酰基)苯基]氨基甲酸苯甲酯

4-(5-nitropyridin-2-yl)aniline

4-氨基苯-(2-氧代乙酸)