SEARCH Articles Figures Tables 1- Aminopyridinium cation 1- Aminopyridinium iodide 1- Aminopyridinium salts 1-Aminopyridinium salts pyrazolo pyridine 2-Aminopyridinium perchlorate, reaction 2-Aminopyridinium propiolate, effect heating Aminopyridiniums Aminopyridiniums N-Aminopyridinium salts