| Structure | Name/CAS No. | Articles | 
|---|---|---|
                        ![]()  | 
                    Sulfuric acid
                     CAS:7664-93-9  | 
                    
                    |
                        ![]()  | 
                    Methanol
                     CAS:67-56-1  | 
                    
                    |
                        ![]()  | 
                    Cupric sulfate
                     CAS:7758-98-7  |