A novel three‐dimensional tetranuclear CoII coordination polymer with water hexamers based on the V‐shaped tetracarboxylate ligand 4‐(2,4‐dicarboxylatophenoxy)phthalate. - Li, Shao-Dong; Su, Feng; Zhu, Miao-Li; Lu, Li-Ping (Acta Crystallographica Section C: Structural Chemistry, 2020)