title: Two three-dimensional networks in two polymorphs of biphenyl-4,4'-diaminium bis(3-carboxy-4-hydroxybenzenesulfonate) dihydrate.
authors.affiliation: Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan 430079, People's Republic of China.
authors.forename: Wen-xing
authors.initials: WX
authors.lastname: Yin
authors.forename: Xue-ying
authors.initials: XY
authors.lastname: Huang
authors.forename: Xing-man
authors.initials: XM
authors.lastname: Xu
authors.forename: Xiang-gao
authors.initials: XG
authors.lastname: Meng