Disclosed is a compound of formula (II), as well as to a process for preparing the compounds of formula (II) by a chemoselective Sonogashira reaction. It also relates to a pharmaceutical composition including at least one compound of formula (II) and at least one pharmaceutically acceptable support. Finally, it relates to the use of such a compound as a medicine, preferably in the treatment of a nervous and/or respiratory failure due to intoxication with at least one organophosphorous nerve agent； in the treatment of neurological diseases such as Alzheimer's disease； and/or in the treatment of cancer； and/or for use as antiviral drug.
