Robuta

https://pubs.rsc.org/en/content/articlelanding/2015/dt/c5dt00816f A macrocyclic tetraamine bearing four phenol groups: a new class of heptadentate ligands to provide... This paper presents a 1,4,7,10-teraazacyclododecane-based tetrakis-phenol as a protonated ligand precursor and its oxygen-sensitive luminescent terbium(iii)...