In the title compound. {[Mn(C15H8O7)(C10H8N2)(H2O)3]·C10H8N2·2H2O}n. the bridging mode of the coordinating 4. 4′-bipyridine ligands leads to the formation of polymeric zigzag chains parallel to [0-11]. https://www.nacrack.com/flash-pick-Ib-Laursen-Unika-Mursteinsform-Enkel-mega-value/