in water T=25°C; various substituted pyridine with pyridinium-N-phosphponates, in buffered solution, ionic strength maintained at 0.1 M with KCl, at pH=8.01; MechanismRate constant;

in water T=25°C; various substituted pyridine with pyridinium-N-phosphponates, in buffered solution, ionic strength maintained at 0.1 M with KCl, at pH=8.03; MechanismRate constant;

in water T=25°C; various substituted pyridine with pyridinium-N-phosphponates, in buffered solution, ionic strength maintained at 0.1 M with KCl, at pH=7.89; MechanismRate constant;

in water T=25°C; various substituted pyridine with pyridinium-N-phosphponates, in buffered solution, ionic strength maintained at 0.1 M with KCl, at pH=7.85; MechanismRate constant;