5-<1,2,2,2-Tetrachlor-aethyl>-2-hydroxy-benzoesaeure

2-hydroxy-N-[2-[(2-hydroxybenzoyl)amino]ethyl]benzamide

2-(羧基甲氧基)苯甲酸

3-[(2-甲氧基苯基)亚肼基]-6-氧代-1,4-环己二烯-1-羧酸

戊酰基水杨酸