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Two novel coordination polymers [Cd(NiL)(aipt)](1) and [Mn(nipt)(NiL)2]·H2O(2)(NiL,H2L=2,3-dioxo5,6,14,15-dibenzo- 1,4,8,12-tetraazacyclo-pentadeca-7,13-dien,H2aipt=5-aminoisophthalic acid,H2nipt=5-nitroisophthalic acid) were hydrothermally synthesized and characterized by single-crystal X-ray diffraction.Compounds 1 and 2 consist of different ID chains including both oxamide and 5-aminoisophthalate or 5-nitroisophthalic bridge.And all these chains were further interlinked via hydrogen bonds,resulting in a 2D architecture in compounds 1 and 2.