imine

Therefore, we can clearly see that imine double bond is ond kind of important antibacterial functional group of these compounds.
因此，可以明确亚胺双键是该类化合物的重要抑菌官能团之一。
They can be linked to the bulky side group by ester, amide, ether, and imine group.
它们与大体积侧基相联的桥键可以是酯键、酰胺键、醚键，也可以是亚胺键。