Inorganic Chemistry, Vol.42, No.18, 5507-5512, 2003
Synthesis and magnetic properties of heterometal cyclic tetranuclear complexes [(CuLMII)-L-II(hfac)](2) (M-II = Zn, Cu, Ni, Co, Fe, Mn; H3L=1-(2-hydroxybenzamido)-2-((2-hydroxy-3-methoxybenzylidene)amino)ethane; Hhfac = hexafluoroacetylacetone)