Citation: Wang, Xiuli; Ma, Jianxin; Xu, Na; Wang, Yue; Sun, Jiayu; Liu, Guocheng (2021). Three Zn(ii) coordination polymers constructed with a new amide-thiophene-derived bis-pyridyl ligand as ultrasensitive luminescent sensors for Hg(ii) and purines. CrystEngComm, 23, pp. 4760-4766.