The invention relates to a novel pyridinium salt comprising an anion in the form of a nitrite and a cation in the form of a 3-carbamoyl-l -methylpyridinium, the process of its preparation and its use for the manufacture of a vascular protective agent for the treatment or prevention of conditions or diseases associated with the dysfunction of vascular endothelium, failure of endothelial synthesis of nitric oxide (NO) and/or failure of endothelial synthesis of prostacyclin (PGI2).
