Characterization,nucleolytic, cytotoxic and antibacterial property of tetrakis(μ-4-chloro-2-nitrobenzoato-κO,O′)bis[aquacopper(II)], tetrakis(μ-2-chloro-6-fluorobenzoato-κO,O′)bis[aquacopper(II)] and tetrakis(μ-2-chlorobenzoato-κO,O′)bis[aquacopper(II)] |