The present invention relates to an agonist of the receptor of 1-[(2R,3R,4S,5R)-5-[[[[(2R,3R,4R,5R)-5-(6-aminopurin-9-yl)-3-hydroxy-4-phosphonooxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl]oxymethyl]-3,4-dihydroxyoxolan-2-yl]pyridin-1-ium-3-carboxylic acid for the treatment of neurodegenerative disorders.