At the far beginning of the focused researches on MOFs, high symmetrical and multiple-linking organic ligands were preferred in the design synthesis.

• 不过，低对称性有机羧酸配体以其特殊的空间构型、易于取得、简单或者能够很好的螯合金属等属性，而得以逐渐地参与组装新型金属-有机配位聚合物。