Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... 2-Methyl-1,2,3-triazinium iodide 1 and its dihydro derivative 2 were both allowed to react with potassium superoxide to give the same products, triazine dimer 3 and 5-oxo-triazine 4. These reactions showed the unique dual reactivities of superoxide. ... 2-Methyl-1,2,3-triazinium ...