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A novel oxamido-bridged trinuclear complex Cu(NiL)2(ClO4)2 (where H2L=2,3-dioxo-5,6,14,15-dibenzo-1,4,8,12-tetraazacyclo-pentadeca-7,3-dien) has been synthesized and characterized by elemental analysis, IR spectrum,UV-Visible spectrum and single crystal X