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A new luminescent compound,{[Eu3(L)4(H2O)8]·(NO3)·4H2O}n(1,H2L=2-(pyridine-3-yl)-imidazole-4,5-dicarboxylic acid)has been solvothermally synthesized and structurally characterized by elemental analyses,IR and single-crystal X-ray diffraction.1 c