Crystal structure of polybis-[(4,4′-biphenyl-dicarboxylate-κ2O:O′)-μ-1,1′-oxy-bis-(ethane-2,1-diyl)-bis-(1H-imidazole)-κ2N:N′] zinc(II)dihydrate, C48H48N8O12Zn2 - Zhang Lai-Ping (De Gruyter, 2015)