Macrocyclic complexes : Synthesis and characterization of cobalt(II), nickel(II) and  copper(II) complexes with [14]1,4,5,7,8,11,12,14-octaaza-2,3,9,10-tetraoxo-1,4,5,6,6,7,8,11,12,13,13,14-dodecahydrocyclotetradecane (OTCT)
Zenodo (CERN European Organization for Nuclear Research)