| Structure | Name/CAS No. | Articles | 
|---|---|---|
                        ![]()  | 
                    2,4-Dichlorophenoxyacetic acid
                     CAS:94-75-7  | 
                    
                    |
                        ![]()  | 
                    2,3,7,8-Tetrachlorodibenzo-p-dioxin
                     CAS:1746-01-6  | 
                    
                    |
                        ![]()  | 
                    2,4,5-Trichlorophenoxyacetic acid
                     CAS:93-76-5  |