Synthesis, crystal structures and supramolecular architectures of square pyramidal Cu(II) complexes containing aromatic chelating N,N' donor ligands BMC Chemistry Springer Nature Link Square planar versus square pyramidal copper(II) complexes containing N3O moiety: Synthesis, structural characterization, kinetic and catalytic mimicking activity ScienceDirect The copper(II) binding tripeptide GHK, a valuable crystallization and phasing tag for macromolecular crystallography 2.4: Geometries of Coordination Complexes Chemistry LibreTexts GHK Cu Clinical Profile Copper Peptide Research Delta Peptides