In the title compound. [Cu(C2O4)(C13H20N4)(H2O)]·2H2O. the CuII atom exhibits a distorted square-pyramidal geometry with the two N atoms of the imidazole ligand and the two O atoms of the oxalate ligand forming the basal plane. while the O atom of the coordinated water molecule is in an apical position. https://www.majesticmalinois.com/product-category/makeup-sponge/