The present invention relates to compounds that can be used as metal-ion-chelating agents or as depolluting agents, corresponding to general formula (I) below:and also to precursor compounds of formula (II) and labelled compounds of formula (III) deriving from the compounds of formula (I). The present invention also relates to the use of the compounds (I), (II) or (III) as a medicament, and also the use thereof for the diagnosis, prevention and treatment of neurodegenerative diseases such as Wilsons disease and Alzheimers disease.
