| Structure | Name/CAS No. | Articles | 
|---|---|---|
                        ![]()  | 
                    Gentisic acid
                     CAS:490-79-9  | 
                    
                    |
                        ![]()  | 
                    3-Hydroxybenzoicacid
                     CAS:99-06-9  | 
                    
                    |
                        ![]()  | 
                    3,5-Dihydroxybenzoic acid
                     CAS:99-10-5  |