Two coordination polymers constructed by 5‐[(4‐carboxyphenoxy)methyl]benzene‐1,3‐dicarboxylic acid and 2,2′‐bipyridine: syntheses, structures and luminescence properties. - He, Yuan-Chun; Xiao, Li-Yuan; Yuan, Zi-Han; Zhang, Jie; Wang, Yan; Xu, Na (Acta Crystallographica Section C: Structural Chemistry, 2019)